Thomas Patrick “Tom” Cavanagh is a Canadian actor. Cavanagh was born on October 26, 1963 in Ottawa, Ontario to a Roman Catholic family of Irish descent. Cavanagh moved with his family to Winneba, a small city in Ghana when he was a child. He is best known for a variety of roles on American television, including starring roles in Ed (2000–2004), Love Monkey (2006) and Trust Me (2009), and supporting roles on Providence and Scrubs. Since 2014, he has appeared in a prominent role as Harrison Wells on The Flash.
In 1989, he was cast in the Broadway revival of Shenandoah. Other stage credits include productions of A Chorus Line, Cabaret, Brighton Beach Memoirs, Urinetown and Grease. He appeared in the 2008 production of Some Americans Abroad at Second Stage Theatre in New York City. After gaining notice for his recurring role as Dog Boy in the NBC television program Providence, Cavanagh was cast as the title character in the NBC program Ed. Cavanagh received a Golden Globe nomination and a TV Guide Award for his work on Ed, which ran for four seasons beginning in October 2000 and concluding in February 2004.
Cavanagh married Maureen Grise, a photo editor for Sports Illustrated, July 31, 2004, in a Catholic ceremony on Nantucket, Massachusetts. The couple have two daughters and two sons. Cavanagh ran the 2006 New York City Marathon.