Jack grew up in Santa Monica. He is best known for being an actor. He also sings, he is one half of duo Tenacious D. Jack has appeared in the movies Dead Man Walking (1995), Cradle Will Rock (1999), Demolition Man (1993), The Cable Guy (1996), Jesus' Son (1999), High Fidelity (2000), Shallow Hal (2001), School of Rock (2003), Envy... More »

The first time his Italian immigrant father heard that John wanted to be in a play, he was not pleased. To his father, "play" was the opposite of work! Year's later, after twelve-hour rehearsal days and scripted emotional outbursts during matinee's and evening performances, John informed his father that "a play" was very hard work indeed!

John has "played" and worked his way... More »