Nicholas Bakay is an American actor, comedian, writer, producer and sports commentator. He is known as the voice of Salem Saberhagen on the ABC/The WB series "Sabrina the Teenage Witch" and "Sabrina: The Animated Series," as well as the voice of Norbert Beaver on "The Angry Beavers." He played Karl on the Fox series "Till Death" and was a producer on the show until it was cancelled by Fox. He is also one of the executive producers of the CBS sitcom "Mom."