William Greenblatt: William Greenblatt. Actor: Life with Derek. William Greenblatt was born on 3 December 1987. He is an actor, known for Life with Derek (2005), I Was a Rat (2001) and Earth: Final Conflict (1997).
Known For: Life with Derek (Sheldon Schlepper), I Was a Rat (Billy), Earth: Final Conflict (Jamie Sims), Ms. Scrooge (Tiny Tim)