Seth is completely devoted to his wife Clare Grant. Clare Grant is an actress. She is also known for being a singer and a model. They got engaged in 2009 and their wedding was held on 1st of May 2010. They are happily married and he is happy to have her as his loving spouse. Beside this married life there is no any information about their love affairs, girlfriend and divorce.
Seth has been involved in acting since he was seven years old. After watching the TV shows like Saturday Night Live, Richard Pryor, Bill Cosby, Porky's and so on he became influenced in the comedy. He made his feature film debut in 1984 by starring the role of Benjamin 'Ape-Face' Andrews in the movie Billions for Boris. That year he also starred in the comedy-drama film The Hotel New Hampshire. He is also famous for his role in the movies like My Stepmother Is an Alien, To Gillian on Her 37th Birthday, Our Shining Moment and so on. He got his rise in fame after he began directing an American stop motion adult animated sketch comedy television series Robot Chicken. He is also the producer and the creator of this TV series. The actual figure about his annual salary is unknown but his net worth is $35 million.