Jo Thomas
Judy Tyler
Robert Hilton
Bobby Troup
YMCA Rehearsal Singer
Judy Harriet
Marion Hendricks
Margo Woode
Herself (as Mary Kaye Trio)
Mary Kaye
Themselves
The Goofers
Self
Lord Flea
Nino Tempo
Prof. Winthrop
Lucien Littlefield
Barney
George O'Hanlon
Jerry (as Jerry Barclay)
Jered Barclay
Director
Howard W. Koch
Screenplay
Arnold Belgard
Story
Hendrik Vollaerts
Key Grip
Herschel Brown