Nelson Eddy
Narrator / Characters (segment "The Whale Who Wanted to Sing at the Met") (voice)
Dinah Shore
Self (voice)
Benny Goodman
Self (voice)
Jerry Colonna
Narrator (segment "Casey at the Bat") (voice)
Andy Russell
Self (voice)
Sterling Holloway
Narrator (segment "Peter and the Wolf") (voice)
Tatiana Riabouchinska
Silhouetted Dancer
David Lichine
Silhouetted Dancer
Patty Andrews
Andrews Sisters (singing voice) (uncredited)
Maxene Andrews
Andrews Sisters (singing voice) (uncredited)
Laverne Andrews
Andrews Sisters (singing voice) (uncredited)
Ken Darby
The King's Men / Choral Director (Ken Darby Chorus) (singing voice) (uncredited)