Walt Disney
Mickey Mouse (voice) (uncredited)
Walt Disney
Mickey Mouse (voice) (uncredited)
Pinto Colvig
Pluto (voice) (uncredited)
Billy Bletcher
Dr. XXX (voice) (uncredited)
David Hand
Director
Walt Disney
Producer
Bert Lewis
Original Music Composer
Art Babbitt
Animation
Joseph M. Schenck
Producer
Johnny Cannon
Animation
Les Clark
Animation
Ben Sharpsteen
Animation
Tom Palmer
Animation
Hardie Gramatky
Animation
Jack King
Animation
David Hand
Director of Photography
David Hand
Writer