Jack Deam (born Ian Deam; 29 June 1972) is an English actor. He used his grandfather's name for his stage name. His most notable performance is of the pyromaniac Marty Fisher, who has Tourette syndrome, in Channel 4's comedy drama series Shameless.
The Young Poisoner's Handbook
Fair Game
A Small Mourning
The Bullion Boys
Hillsborough
Let Him Have It
Heart
Agatha and the Curse of Ishtar