He debuted as Private Spunkmeyer in the 1986 film, Aliens, and directed the short films Germgirl, Flip Phone, and For Lease in 2007. His other credits include Robocop: The Series and Street Legal.
He was born in Montreal to Jewish parents. His mother is opera singer Maureen Forrester and his father is violinist and conductor Eugene Kash. He studied acting at London's Drama Centre.
His sister is actress Linda Kash, who starred as Trudy Weissman in the 1998 television sitcom, Style & Substance.
He married Hayley Tyson in 1988 and the couple had two sons.
He starred in the 2001 television film, Life with Judy Garland: Me and My Shadows, which was based on the memoirs of Garland's daughter, Lorna Luft.