Christopher Colquhoun (born 10 January 1970 in Sheffield, England) is a British actor who trained at RADA. He is most famous for appearing as Simon Kaminski in the BBC drama series Casualty, from 2002 to 2004. He also appeared in Holby City in this role as well.
He has also appeared on The Weakest Link and Comic Relief does Fame Academy. He played Hector in William Shakespeare's play Troilus & Cressida which was shown in 2009 season (until September 20) in Shakespeare's Globe theatre in London.
On December 4 2009 he joined the cast of Coronation Street.