Nicholas Bakay is an American actor comedian writer producer and sportscaster He is known as the voice of Salem Saberhagen on ABCThe WBs Sabrina the Teenage Witch and Sabrina The Animated Series and Norbert Beaver on The Angry Beavers He played Karl on the Fox series Til Death as well as serving as a producer of the show until it was cancelled by Fox He is also one of the executive producers of the CBS sitcom Mom