Jill Talley. Actress: The SpongeBob SquarePants Movie. Chicago-born Jill Talley has played hundreds of characters in both animation and live-action. As one of the main cast members of SpongeBob SquarePants (1999), she has been the voice of Karen (Plankton's sarcastic computer-wife) since the show's very first season. Jill's husband, Tom Kenny, plays SpongeBob himself.Jill Talley started her career in acting at the famed Second City Main Stage in Chicago, where...