{"id":2402963,"date":"2026-05-05T11:12:14","date_gmt":"2026-05-05T11:12:14","guid":{"rendered":"https:\/\/celebrity.land\/en\/?p=2402963"},"modified":"2026-05-05T11:12:14","modified_gmt":"2026-05-05T11:12:14","slug":"ncis-fans-missed-mark-harmons-major-announcement","status":"publish","type":"post","link":"https:\/\/celebrity.land\/en\/ncis-fans-missed-mark-harmons-major-announcement\/","title":{"rendered":"&#8216;NCIS&#8217; Fans Missed Mark Harmon&#8217;s Major Announcement"},"content":{"rendered":"<p><\/p>\n<div data-journey-body=\"standard-article\">\n<div class=\"css-1jx1kps etlajd2\">\n<div data-theme-key=\"collapsible-section\" class=\"css-p1fz9n e1q3dcg6\">\n<h3 data-theme-key=\"collapsible-header\" class=\"css-dyle7y e1q3dcg5\"><button aria-label=\"Hide Key Points section\" aria-expanded=\"true\" data-theme-key=\"collapsible-header-button\" class=\"css-rgwsqu e1q3dcg4\"><\/p>\n<p>Key Points<\/p>\n<div data-theme-key=\"collapsible-icon-wrapper\" data-collapsible-open=\"true\" class=\"css-1kwqn25 e1q3dcg0\"><span data-testid=\"iconRight\" data-theme-key=\"collapsible-icon-right\" class=\"css-1ep4808 e1q3dcg1\"><\/span><\/div>\n<p><\/button><\/h3>\n<div aria-hidden=\"false\" data-theme-key=\"collapsible-section-text\" class=\"css-nzvxqj e1q3dcg3\">\n<div class=\"css-ex91la etlajd1\">\n<div>\n<p>Mark Harmon portrayed Leroy Jethro Gibbs on <em>NCIS<\/em> for 19 seasons.<\/p>\n<p>Fans learned on May 4 that Mark will appear as a guest on the <em>NCIS: Partners and Probies <\/em>podcast on May 5.<\/p>\n<p>Mark\u2019s last career move saw him pen a book alongside Leon Carroll Jr., called <em>Ghosts of Sicily.<\/em><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-journey-content=\"true\" data-node-id=\"0\" class=\"css-6wxqfj emevuu60\">It\u2019s official: <strong data-node-id=\"0.1\">Mark Harmon<\/strong> is coming back to <a rel=\"nofollow\" target=\"_blank\" href=\"https:\/\/www.goodhousekeeping.com\/ncis\/\" target=\"_blank\" data-vars-ga-outbound-link=\"https:\/\/www.goodhousekeeping.com\/ncis\/\" data-vars-ga-ux-element=\"Hyperlink\" data-vars-ga-call-to-action=\"NCIS\" data-node-id=\"0.3\" class=\"body-link css-7v8mn9 emevuu60\"><em data-node-id=\"0.3.0\">NCIS<\/em><\/a>. Well, sort of.<\/p>\n<p data-journey-content=\"true\" data-node-id=\"1\" class=\"css-6wxqfj emevuu60\">The longtime actor famously starred as Leroy Jethro Gibbs for <em data-node-id=\"1.1\">NCIS\u2019<\/em> first 19 seasons, making him a staple on the hit CBS franchise. While Mark has helped the network develop a Gibbs prequel series (<em data-node-id=\"1.3\">NCIS: Origins<\/em>) and <a rel=\"nofollow\" target=\"_blank\" href=\"https:\/\/www.goodhousekeeping.com\/entertainment\/tv-shows\/a69313740\/ncis-cast-mark-harmon-crossover-preview-instagram\/\" target=\"_self\" data-vars-ga-outbound-link=\"https:\/\/www.goodhousekeeping.com\/entertainment\/tv-shows\/a69313740\/ncis-cast-mark-harmon-crossover-preview-instagram\/\" data-vars-ga-ux-element=\"Hyperlink\" data-vars-ga-call-to-action=\"reprised his role\" data-node-id=\"1.5\" class=\"body-link css-7v8mn9 emevuu60\">reprised his role<\/a> in November 2025, fans rarely get to see him as Gibbs anymore.<\/p>\n<p data-journey-content=\"true\" data-node-id=\"2\" class=\"css-6wxqfj emevuu60\">Well, Mark is delving back into the world of <em data-node-id=\"2.1\">NCIS<\/em>, albeit in a way fans weren\u2019t expecting. As the show\u2019s official Instagram revealed on May 4, the actor will appear on the <a rel=\"nofollow\" target=\"_blank\" href=\"https:\/\/www.youtube.com\/playlist?list=PLM-3ipCgRaxn40N8612Nfnj__y5xw_B6y\" target=\"_blank\" data-vars-ga-outbound-link=\"https:\/\/www.youtube.com\/playlist?list=PLM-3ipCgRaxn40N8612Nfnj__y5xw_B6y\" data-vars-ga-ux-element=\"Hyperlink\" data-vars-ga-call-to-action=\"NCIS: Partners and Probies\" data-node-id=\"2.3\" class=\"body-link css-7v8mn9 emevuu60\"><em data-node-id=\"2.3.0\">NCIS: Partners and Probies<\/em><\/a><a rel=\"nofollow\" target=\"_blank\" href=\"https:\/\/www.youtube.com\/playlist?list=PLM-3ipCgRaxn40N8612Nfnj__y5xw_B6y\" target=\"_blank\" data-vars-ga-outbound-link=\"https:\/\/www.youtube.com\/playlist?list=PLM-3ipCgRaxn40N8612Nfnj__y5xw_B6y\" data-vars-ga-ux-element=\"Hyperlink\" data-vars-ga-call-to-action=\"podcast on May 5\" data-node-id=\"2.4\" class=\"body-link css-7v8mn9 emevuu60\">podcast on May 5<\/a>. Mark will bring <strong data-node-id=\"2.6\">Leon Carroll Jr. <\/strong>with him to promote <a rel=\"nofollow\" target=\"_blank\" href=\"https:\/\/www.goodhousekeeping.com\/entertainment\/books\/a70883787\/ncis-cast-mark-harmon-new-book-2026-ghosts-of-sicily\/\" target=\"_blank\" data-vars-ga-outbound-link=\"https:\/\/www.goodhousekeeping.com\/entertainment\/books\/a70883787\/ncis-cast-mark-harmon-new-book-2026-ghosts-of-sicily\/\" data-vars-ga-ux-element=\"Hyperlink\" data-vars-ga-call-to-action=\"the new book\" data-node-id=\"2.8\" class=\"body-link css-7v8mn9 emevuu60\">the new book<\/a> that they co-authored, <em data-node-id=\"2.10\">Ghosts of Sicily: The True Story of the Naval Intelligence Agents Who Courted the Mob to Fight Nazis in America and the Battlefields of Italy. <\/em><\/p>\n<section data-embed=\"watch-next\" data-lazy-id=\"P0-16\" data-node-id=\"3\" class=\"embed\"\/>\n<section data-embed=\"instagram\" data-lazy-id=\"P0-17\" data-node-id=\"4\" class=\"embed\"\/>\n<section data-embed=\"editorial-link\" data-lazy-id=\"P0-18\" data-node-id=\"5\" class=\"embed\">\n<aside data-nitrous-content-id=\"recirculation_unit_get_the_latest_\u2018ncis\u2019_news\" class=\"css-1ia9hn7 e94w1mj3\">\n<div data-theme-key=\"carousel-container\" aria-roledescription=\"carousel\" role=\"region\" aria-live=\"off\" aria-labelledby=\"PP0-18-0\" class=\"css-1jke4yk ejxe6mr5\">\n<p><h2 id=\"PP0-18-0\" data-theme-key=\"carousel-hed\" class=\"css-4i2xvz ejxe6mr6\"><span aria-hidden=\"true\" data-theme-key=\"title-design-element-before\" class=\"css-1yxmhzw e68yk9k0\"\/>Get the Latest \u2018NCIS\u2019 News<span aria-hidden=\"true\" data-theme-key=\"title-design-element-after\" class=\"css-0 e68yk9k1\"\/><\/h2>\n<\/p>\n<\/div>\n<\/aside>\n<\/section>\n<p data-journey-content=\"true\" data-node-id=\"6\" class=\"css-6wxqfj emevuu60\">\u201cLegends on legends on legends \ud83d\udc4f\ud83d\udc4f\ud83d\udc4f,\u201d the caption read alongside new photos of Mark and Leon. \u201cMark Harmon and Leon Carroll Jr. grace the NCIS: Partners &amp; Probies podcast tomorrow. We can&#8217;t wait for you to see what&#8217;s in store &#8230; \u201d<\/p>\n<p data-journey-content=\"true\" data-node-id=\"7\" class=\"css-6wxqfj emevuu60\">Seeing Mark return to the <em data-node-id=\"7.1\">NCIS <\/em>world made everyone ecstatic.<\/p>\n<p data-journey-content=\"true\" data-node-id=\"8\" class=\"css-6wxqfj emevuu60\">\u201cOh I cannot wait for this! I miss Gibbs so much,\u201d one person wrote in the comments. \u201cNo way!!!!!!\u203c\ufe0f\u203c\ufe0f This a must watch,\u201d another cheered. \u201cThe man who started it all,\u201d a different follower added.<\/p>\n<p data-journey-content=\"true\" data-node-id=\"9\" class=\"css-6wxqfj emevuu60\">While we don\u2019t know exactly what Mark has in store for us on the podcast, we can only imagine he\u2019ll be telling some insider secrets about his time on <em data-node-id=\"9.1\">NCIS<\/em>.<\/p>\n<p data-journey-content=\"true\" data-node-id=\"10\" class=\"css-6wxqfj emevuu60\">Now, excuse us\u2014we need to get reacquainted with Mark.<\/p>\n<section data-embed=\"editorial-link\" data-lazy-id=\"P0-19\" data-node-id=\"11\" class=\"embed\">\n<aside data-nitrous-content-id=\"recirculation_unit_read_more_from_'ncis'\" class=\"css-1ia9hn7 e94w1mj3\"\/><\/section>\n<\/div>\n<p><em> \u2018 The preceding article may include information circulated by third parties \u2019 <\/em><\/p>\n<p><em> \u2018 Some details of this article were extracted from the following source www.goodhousekeeping.com \u2019 <\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Key Points Mark Harmon portrayed Leroy Jethro Gibbs on NCIS for 19 seasons. Fans learned on May 4 that Mark will appear as a guest on the NCIS: Partners and Probies podcast on May 5. Mark\u2019s last career move saw him pen a book alongside Leon Carroll Jr., called Ghosts of Sicily. It\u2019s official: Mark [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2402964,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_jetpack_memberships_contains_paid_content":false,"jnews-multi-image_gallery":[],"jnews_single_post":[],"jnews_primary_category":[],"jnews_social_meta":[],"footnotes":""},"categories":[25177],"tags":[447575,274717,469486,285977,466866,285684,441834,469485,436322],"class_list":["post-2402963","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-celebrities","tag-collection-ncis","tag-content-type-news","tag-contentid-9d90dc9b-a186-4ecb-997b-7a72d98ed6f5","tag-displaytype-standard-article","tag-issyndicated-false","tag-locale-us","tag-read_time-2","tag-shorttitle-mark-harmon-to-appear-on-ncis-podcast","tag-subsection-celeb-news"],"jetpack_featured_media_url":"https:\/\/celebrity.land\/en\/wp-content\/uploads\/2026\/05\/NCIS-Fans-Missed-Mark-Harmons-Major-Announcement.jpeg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/celebrity.land\/en\/wp-json\/wp\/v2\/posts\/2402963","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/celebrity.land\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/celebrity.land\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/celebrity.land\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/celebrity.land\/en\/wp-json\/wp\/v2\/comments?post=2402963"}],"version-history":[{"count":1,"href":"https:\/\/celebrity.land\/en\/wp-json\/wp\/v2\/posts\/2402963\/revisions"}],"predecessor-version":[{"id":2402965,"href":"https:\/\/celebrity.land\/en\/wp-json\/wp\/v2\/posts\/2402963\/revisions\/2402965"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/celebrity.land\/en\/wp-json\/wp\/v2\/media\/2402964"}],"wp:attachment":[{"href":"https:\/\/celebrity.land\/en\/wp-json\/wp\/v2\/media?parent=2402963"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/celebrity.land\/en\/wp-json\/wp\/v2\/categories?post=2402963"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/celebrity.land\/en\/wp-json\/wp\/v2\/tags?post=2402963"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}