Dog

The ultimate loyal, dependable, trustworthy TV everyman.

Mark Harmon built his career on playing steady, warm, deeply reliable characters — most iconically Leroy Jethro Gibbs on NCIS, where his quiet competence and fierce loyalty to his team mirrored his real-life reputation as one of Hollywood's most professional and genuinely liked actors. Off-screen, colleagues consistently describe him as hardworking, unpretentious, and devoted — to his wife Pam Dawber, to his craft, and to the people around him. There is no peacock vanity, no lion theatrics — just a grounded, dependable presence that earns trust without demanding admiration.