Bugs Bunny / Giovanni Jones - screaming / Maestro / Delivery Boy / Musicians (voice)
Mel Blanc
Giovanni Jones (singing voice) (uncredited)
Nicolai Shutorev
Orchestrator
Milt Franklyn
Music
Carl W. Stalling
Story
Michael Maltese
Animation
Ben Washam
Director
Chuck Jones
Ken Harris
Phil Monroe
Lloyd Vaughan
Editor
Treg Brown
Sound Effects Editor