Christopher Colquhoun (born 10 January 1970 in Sheffield, West Riding of Yorkshire) is an English 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 also played Jake Quinn in The Bill for two episodes – "An Honour to Serve", parts 1 and 2.
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 the 2009 season (until September 20) in Shakespeare's Globe theatre in London.
On 4 December 2009 he joined the cast of Coronation Street.
He is currentlyThe Believers.
playing Joff in