Donald J. O'Connor
Patricia Davis
Peggy
Johnny Hanley
Alice Taswell
Jeremy Taswell
Bobby (as Bobby Scheerer)
Genius
Muggsy
Mrs. Mary Davis
Ray Eberle
Leader, Eddie Miller's Bob Cats
Ben Carter - Choir Leader
Jimmy, Malt Shop Proprietor
Producer
Gardener
Dancer (uncredited)
'Jivin' Jacks and Jills' Member (uncredited)
Specialty Act (uncredited)
Theatrical Party Member (uncredited)
Theatrical Producer (uncredited)
Genius' Dancing Partner (uncredited)
