Jason O'Mara shirtless in Life On Mars 1-17 "Life Is A Rock"

Jason O'Mara shirtless in Life On Mars 1-15 "All The Young Dudes"

Jason O'Mara shirtless in Life On Mars 1-14 "Coffee, Tea, or Annie"

Jason O'Mara shirtless in Life On Mars 1-09 "The Dark Side of the Mook"

Jason O'Mara shirtless in Life On Mars 1-04 "Have You Seen Your Mother, Baby, Standing in the Shadows?"

Jason O'Mara in Life On Mars 1-03 "My Maharishi Is Bigger Than Your Maharishi"

Jason O'Mara shirtless in Vegas 1-15 "Two Of A Kind"

Jason O'Mara shirtless in Vegas 1-14 "The Third Man"

Jason O'Mara shirtless in Vegas 1-13 "Road Trip"

Jason O'Mara shirtless in Vegas 1-12 "From This Day Forward"

Jason O'Mara shirtless in Vegas 1-11 "Paiutes"

Pablo Schreiber and Michael Imperioli shirtless in Life On Mars 1-02 "The Real Adventures of the Unreal Sam Tyler"

Jason O'Mara shirtless in One For The Money

Jason O'Mara and Clé Bennett shirtless in The Man In The High Castle 4-09 "For Want Of A Nail"

Jason O'Mara shirtless in Terra Nova 1-12 "Occupation"

Jason O'Mara shirtless in Terra Nova 1-03 "Instinct"

Jason O'Mara shirtless in Terra Nova 1-01 "Genesis: Part 1"

Jason O'Mara shirtless in Grey's Anatomy 4-12 "Where The Wild Things Are"

Jason O'Mara shirtless in Agents Of S.H.I.E.L.D. 4-14 "The Man Behind the Shield"

Jason O'Mara shirtless in Agents Of S.H.I.E.L.D. 4-11 "BOOM"