Bud Abbott
Mr. Dinkel / Mr. Dinkelpuss
Lou Costello
Jack / Jack Strong
Buddy Baer
Sgt. Riley / The Giant
Dorothy Ford
Receptionist / Polly
Barbara Brown
Mrs. Strong
David Stollery
Donald Larkin
William Farnum
The King
Shaye Cogan
Eloise Larkin / Princess Eloise (Darlene)
James Alexander
Arthur / Prince Arthur / Troubador
Johnny Conrad
Dancer
Almira Sessions
Mrs. Mergatroyd (uncredited)
Mel Blanc
Farm Animals (uncredited) (voice)
Arthur Shields
Patrick the Harp (uncredited)