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
Almira Sessions
Mrs. Mergatroyd (uncredited)
Mel Blanc
Farm Animals (uncredited) (voice)
Arthur Shields
Patrick the Harp (uncredited)
Shaye Cogan
Eloise Larkin / Princess Eloise (Darlene)
James Alexander
Arthur / Prince Arthur / Troubador
Johnny Conrad
Dancer