Career
He is most notable for playing Malachy Fisher on popular Channel 4 teen soap opera, Hollyoaks from 2007 onwards. He also played Mr Michaels in Wire in the Blood in 2006. He appeared in Casualty, playing Bill Tree in 2005.
He played the lead character Guy in Mirror Mirror in 2006.
He has had other roles in the past, playing a Riot Policeman in the multi-award winning Holy Cross for British Broadcasting Corporation Films. He lost to EastEnders star Lacey Turner.
Wallace quit Hollyoaks in 2010 and made his final appearance on 18 November 2010 where his character Malachy died from serious injuries after an explosion from the local restaurant, Il Gnosh. In March 2014 Wallace again appeared in Holby City for two episodes playing David Kilburn, the husband of Jess Griffin.
He is currently appearing as Policeman Doctor of Science Cameron Bryant in EastEnders.