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)
Iris Rainer
— Donna (voice)
Greg Thomas
— Tommy / Boy 1 (Independence Day) (voice)
Jeff Thomas
— Boy 2 (Independence Day) (voice)