Donald O'Connor as Peter Stirling

Julie Adams as Jane Parker

Mamie Van Doren as Bunky Hilstrom

Lynn Bari as Louise Simpson

Zasu Pitts as Valerie Humpert

Joan Shawlee as Sergeant Kipp

Allison Hayes as Lieutenant Dickson

Mara Corday as Kate

Karen Kadler as Marge

Elsie Holmes as Bessie

Olan Soule as Captain Creavy

Anthony Radecki as Aide

John Phillips as Fred

Chill Wills as Francis (voice) (uncredited)