Question: why topher left that 70s show?
Answer: Topher Grace Left That '70s Show To Pursue A Movie Career. Eric's departure from the sitcom didn't come from the creative team. ... With that, Grace decided to leave That '70s Show behind to focus on films. Following Grace's exit from That '70s Show, the actor was cast as Eddie Brock/Venom in Sam Raimi's Spider-Man 3.