Dick Powell
Professor Donald Hardwick
William B. Davidson
Samuel 'Sam' 'Simsy' Hudson - Music Publisher
Granville Bates
Judge Kennith B. Walters, Superior Court
Halliwell Hobbes
Dean Burton, Winfield College
Sidney Bracey
Professor Listening to Radio (uncredited)
Daisy Bufford
Daisy, Zelda's Maid (uncredited)
Nat Carr
Extra in Nightclub (uncredited)
Maurice Cass
Mr. Maurice, First Witness (uncredited)
Hobart Cavanaugh
Clark's Piano Tuner (uncredited)
Elise Cavanna
Pansey, Hardwick Maid (uncredited)
Glen Cavender
Extra at Bar (uncredited)
Midgie Dare
Jitterbug Dancer (uncredited)
Maxie Lee Dorf
Jitterbug Dancer (uncredited)
Eddie Graham
Attorney at Plaintiff's Table (uncredited)
Harrison Greene
Second Bartender Making Phone Call (uncredited)
Bert Hanlon
Arranger Johnny Collins (uncredited)
John Harron
Freddie, Court Clerk (uncredited)
Peter Lind Hayes
Bandleader in Nightclub (uncredited)
Al Herman
Second Waiter (uncredited)
Stuart Holmes
Capt. Gregory Waddington-Smith (uncredited)
Selmer Jackson
Plaintiff's Attorney (uncredited)
Al Lloyd
Radio Listener, with the Professors (uncredited)
Jerry Mandy
First Waiter (uncredited)
Frank Mayo
Frank, Superior Court Bailiff (uncredited)
Edward McWade
Professor Trill (uncredited)
Jack Mower
Professor Listening to Radio (uncredited)
David Newell
Attorney at Defense Table (uncredited)
Wedgwood Nowell
Professor Listening to Radio (uncredited)
Herbert Rawlinson
Hardwick's Attorney (uncredited)
John Ridgely
Harry, Hudson's Assistant (uncredited)
Sally Sage
Miss Danning (uncredited)
Cliff Saum
Radio Announcer Starting Program (uncredited)
Larry Steers
Extra in Nightclub (uncredited)
Leo White
Extra in Courtroom (uncredited)
Ernest Wood
First Headwaiter (uncredited)