Grandma Spankenheimer (voice)
Susan Blu
Jake Spakenheimer (voice)
Alex Doduk
Cousin Mel (voice)
Michele Lee
Grandpa Spankenheimer / The Narrator (voice)
Elmo Shropshire
Austin Bucks (voice)
Cam Clarke
Santa Claus (voice)
Jim Staahl
Mrs. Claus / Rita Spankenheimer / I.M. Slime / Officer #1 (voice)
Kathleen Barr
Daphne Spankenheimer (voice)
Maggie O'Hara
Frank Spankenheimer (voice)
Scott McNeil
Officer #2 (voice)
Jim Fisher
Producer
Writer
Director
Phil Roman
Executive Producer
Original Music Composer
Nathan Wang
Animation Manager
Penelope Sevier
Fred A. Rappoport