Furst starred in the "Catterick" series with Vic Reeves and Bob Mortimer as an assistant Police Officer called Sergeant Mingemungington. He has appeared in nearly 30 commercials in the cinema for Orange as the sidekick of the main male character played by Brennan Brown. He has also appeared in numerous other programmes; "Bodies", "Born and Bred", all three series of "Little Britain", "The Bill", "Dick and Dom's Funny Business", "Father Brown", "Doc Martin" and "Tracey Breaks the News". He appears as DI Gary Cunningham in ITV's six part drama "Manhunt".