Movie
Elmer Fudd introduces two pieces of classical music: "Tales of the Vienna Woods" and "The Blue Danube", and acted out by Bugs Bunny, Porky Pig, Laramore the Hound Dog, a family of swans, and a juvenile Daffy Duck.
Bugs Bunny / Dog / Swans / Daffy Duck (voice) (uncredited)
Elmer Fudd (voice) (uncredited)
Screams (voice) (uncredited)