Mel Blanc
Dr. Quack / Dr. Daffy Duck / Porky Pig (voice) (uncredited)
Mel Blanc
Dr. Quack / Dr. Daffy Duck / Porky Pig (voice) (uncredited)
Sara Berner
Switchboard Operator (voice) (uncredited)
Leon Schlesinger
Producer
Robert Clampett
Director
Carl W. Stalling
Music Director
John Carey
Animation
Vive Risto
Animation