Colin Andrew Mochrie was born on November 30th, 1957 in Kilmarnock, Scotland. In 1964, his father moved the family to Montreal and then to Vancouver in 1969. He dropped out of school during his youth and took up theatre sports instead. It was there that he met stand up comedian Ryan Stiles, and the two remained friends. In 1989, he married comedian Debra McGrath, and the couple have one child together, Kinley Mochrie.
Mochrie's most famous works are for his numerous appearances on every edition of Whose Line Is It Anyways? (1991-1998) (1998-2007) (2013-2017), appearing as himself in The Magical Gathering (2004) and playing Mr. Cooper in Annedroids (2014-2017).