Eric Idle: Eric Idle. Actor: Monty Python and the Holy Grail. Eric Idle is an English comedian, actor, author, singer, playwright, director, and songwriter. co-creator of Monty Python on TV, stage, and five films, including The Life of Brian and The Holy Grail, which he later adapted for the stage with John Du Prez as Monty Python's Spamalot, winning the Tony Award for Best Musical in 2005, a Grammy, a Drama Desk...