Jill Talley. Actress: Der SpongeBob Schwammkopf Film. Chicago-born Jill Talley has played hundreds of characters in both animation and live-action. As one of the main cast members of SpongeBob Schwammkopf (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...