Mark Harmon
American actor
Mark Harmon is an American actor, writer, producer, television director and former football player. He is best known for playing Leroy Jethro Gibbs on NCIS from 2003 to 2021. Earlier television roles include Dr. Robert Caldwell on St. Elsewhere, and he received an Emmy Award nomination for a 2002 story arc on The West Wing.
Mark Harmon appears in 3 films and 1 TV series in The Rerun, from 1994 to 2025. Most of that work is in comedy, family and fantasy. Frequent collaborators in The Rerun: Lindsay Lohan (2), Jamie Lee Curtis (2), Chad Michael Murray (2), Rosalind Chao (2), Stephen Tobolowsky (2).
Known for
- NCIS (2003), Special Agent Leroy Jethro Gibbs. Led the CBS series as Gibbs from 2003 to 2021.
- The West Wing (1999), Simon Donovan. A 2002 story arc that earned him an Emmy Award nomination.
- Freaky Friday (2003).
- St. Elsewhere, Dr. Robert Caldwell. An earlier television role as a doctor.
Shows
Movies
Quick answers
- What movies and TV shows has Mark Harmon been in?
- Mark Harmon appears in Freakier Friday (2025), NCIS (2003), Freaky Friday (2003) and Natural Born Killers (1994) on The Remote.
- When was Mark Harmon born?
- Mark Harmon was born on 2 September 1951.
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