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Sean Murray of NCIS has been on 484 episodes of that show. Actors on live-action, primetime TV shows who have appeared on more episodes: James Arness, Gunsmoke: 635 Milburn Stone, Gunsmoke: 605 Mariska Hargitay, L&O:SVU: 594 Amanda Blake, Gunsmoke: 569 Ice-T, L&O:SVU: 565 That's it!

12/3/26, 9:27 pm1 repost7 likes

Amanda Sadie, Historian

@amandasadiehistory.bsky.social

12 Mar

Should've been William Conrad, Howard McNear, Georgia Ellis-Hawkins instead of Arness/Stone/Blake, but well, discrimination against radio stars was a thing.

Matthew Reichbach

@fbihop.com

13 Mar

Oh, and Lassie the Dog is listed as having been in 532 episodes, but the show lasted 19 years and... yeah.

dddkiddd

@phatkid.bsky.social

13 Mar

robby the robot? i dont know how to find episode counts but he isnt even dead yet!

dddkiddd

@phatkid.bsky.social

13 Mar

best i can tell is around 50 appearances on film and tv over 65 years

Matthew Reichbach

@fbihop.com

12 Mar

Somewhat surprisingly, he has only appeared on one NCIS spinoff; one episode of NCIS: New Orleans. Mariska Hargitay, by comparison, has played Olivia Benson on Chicago Fire, Chicago P.D., L&O: Trial By Jury, L&O: Organized Crime, L&O Prime and one uncredited appearance on SNL.