Born: August 6, 1972
Famous for: Keeping America safe from the bad guys
Since he first caught casting directors' attention with a series of appearances in The Bill, Jason O'Mara has become an increasingly familiar face on the British small screen. He played Lieutenant Meehan in the critically-acclaimed mini-series Band Of Brothers, before popping up in the second series of Monarch Of The Glen. These days he's best-known as Agent Stiles in the CIA drama The Agency.