Tassos Stevens is a well-known UK-based fringe-theatre director, stunt performer and actor. Hand-picked by Christopher Nolan, who saw his performance as Christian Slater's stunt double in Prince of Thieves, he was cast as a sadistic gangster in Following, Nolan's proto-version of, or prequel to, the noir genre classic Memento. Stevens has been cast in an as-yet unrevealed pivotal action role in the new Batman movie, currently in production in the US.