Danny Kaye
Seymour S. Sassafras/Colonel Wellington B. Bunny/Antoine (voice)
Vincent Price
January Q. Irontail (voice)
Casey Kasem
Peter Cottontail (voice)
Paul Frees
Colonel Wellington's assistant / Santa Claus / Rooster (voice)
Joan Gardner
Mom / Madame Esmeralda / Bonnie Bonnet / Hat shop owner (voice)
Greg Thomas
Tommy / Boy 1 (Independence Day) (voice)
Jeff Thomas
Boy 2 (Independence Day)