Special Guest Stars Don Knotts as Lester "Ace" Calhoun Peter Michael Goetz as Steven Abbot Guest Stars David Froman as Lt. Bob Brooks Michael Durrell as D.A. Lloyd Burgess Jason Wingreen as Judge Arthur Beaumont Mary Cadorette as Kathy Williams Brooke Bundy as Sherry Lister Bill Kalmenson as Stewart Lister Thomas Ryan as Carl Lister Ron Hale as Eldon Williams Co Starring Ray Templin as Piano Player Larenz Tate as Street Kid #3 Mark Chaet as Forensics Person Sean Baca as Street Kid #2 Deedee Michaels as Sister Marie Danny Goldring as Mo T.J. Evans as Matthew Trevor Eyster as Street Kid #1 Santa Claus as Himself