Mark Harmon Videos

Mark Harmon, who stars on the most popular television drama in the world, 'NCIS,' says the show's success is a testament to how happy the cast and crew are to come to work with each other every single day.

On last night's LATE LATE SHOW WITH JAMES CORDEN, Zoe McLellan discussed her psychic ability and Mark Harmon chatted about the big surprise on NCIS's Season Finale. Check out the clips below!

NCIS star Mark Harmon stopped by CBS's THE TALK to discuss his NCIS family, his character and how proud he is of the new series NCIS: New Orleans. Watch the appearance below!

Robert Wagner stopped by THE TALK on CBS to discuss his big return to "NCIS" as Tony DiNozzo's [played by Michael Weatherly] dad and shares a preview.

In his first television appearance since leaving his late-night throne, Jay Leno stopped by THE ARSENIO HALL SHOW to help announce the season 2 pickup of the show and congratulate his longtime friend.

On last night's THE TONIGHT SHOW on NBC, Mark Harmon and Jay Leno surprised each other with clips featuring appearances they both made on the 1970's TV show Laverne and Shirley.

Actor Michael Weatherly joined Arsenio Hall on the couch on Monday night and revealed that working on the hit primetime show “NCIS” is not always work and no play.