Lew Ayres
Oliver Duffy
Laraine Day
Edwina 'Eddie' Brown
Basil Rathbone
Cesar Ferrari / Dr. H. Santelle
Walter Kingsford
Dr. Cromwall
Miles Mander
Dr. Kurt Immelman
Charles D. Brown
Police Inspector Gallagher
Cliff Clark
Police Lieutenant Allison
James Flavin
Police Lieutenant Schaeffer
Russell Gleason
Ogilvie
William Tannen
Devlan
Mark Daniels
Haguey
Bert Roach
Krum
Russell Hicks
Dr. Chandley
Charles Wagenheim
Fred F. Bixley
Robert Homans
Officer O'Garrity
Iris Adrian
Babe Stanton (uncredited)
Margaret Bert
Mrs. Geversar (uncredited)
Sam Ash
Theater Stage Manager (uncredited)
Robert Bradford
Whistles 'Over the Rainbow' (uncredited)
Ralph Brooks
Dr. Shepherd (uncredited)
Milton Parsons
Jarvis J. Banhoff (uncredited)
Eddie Buzard
Tall Newsboy (uncredited)
Bobby Callahan
Small Newsboy (uncredited)
George M. Carleton
Meeting Chairman (uncredited)
Eddy Chandler
Bill (uncredited)
Mary Currier
Miss Hewitt (uncredited)
Leslie Denison
Paul (uncredited)
Roger Moore
Jim (uncredited)
Jules Cowles
Crazy Man at the Clinic (uncredited)
Ralph Dunn
Policeman Outside Clinic (uncredited)
William Lally
Police Sergeant (uncredited)
Dick Midgley
Police Driver (uncredited)
George Magrill
Policeman (uncredited)
Arthur Belasco
Fat Man (uncredited)
Byron Foulger
Bird Man (uncredited)
Jerry Maren
Small Boy (uncredited)
Frank Marlowe
Cabbie with Cat (uncredited)
George Ovey
Old Man with Telegram (uncredited)
Edna Holland
Clinic Nurse (uncredited)
Edwin Stanley
Hospital Doctor (uncredited)
Hooper Atchley
Ambulance Doctor (uncredited)
Eddie Parker
Ambulance Driver (uncredited)
Rand Brooks
Young Reporter (uncredited)
Ernie Alexander
Reporter (uncredited)
Jack Gardner
Reporter (uncredited)
James Millican
Reporter (uncredited)
Mahlon Hamilton
Reporter (uncredited)
Wally Cassell
Photographer (uncredited)
Lester Dorr
Photographer (uncredited)
Arthur O'Connell
Photographer (uncredited)
Lee Phelps
Police Telephone Operator (uncredited)
Frances Rafferty
Clinic Switchboard Operator (uncredited)
Edward Hearn
Citizen (uncredited)
Joe Yule
Citizen (uncredited)
King Baggot
Psychiatrist at Lecture (uncredited)
Brooks Benedict
Psychiatrist at Lecture (uncredited)
Frank McLure
Psychiatrist at Lecture (uncredited)
Harold Miller
Psychiatrist at Lecture (uncredited)
Cyril Ring
Psychiatrist at Lecture (uncredited)
Count Stefenelli
Psychiatrist at Lecture (uncredited)
Cliff Danielson
Hotel Clerk (uncredited)
Emmett Vogan
Hotel Manager (uncredited)
Frank Whitbeck
Trailer Announcer (Voice) (uncredited)
Ray Teal
Police Car #12 Driver (uncredited)
David Tihmar
Dance Teacher (uncredited)
Charles Lederer
Director
Irving Starr
Producer
Rose Caylor
Screenplay
Harry Stradling Sr.
Director of Photography
Bronislau Kaper
Original Music Composer
Lawrence P. Bachmann
Screenplay
Rose Caylor
Story
Charles Lawton Jr.
Director of Photography
Cedric Gibbons
Art Direction
Bert Spurlin
Assistant Director
Daniele Amfitheatrof
Original Music Composer
Charles Mandell
Technical Advisor
Mario Castelnuovo-Tedesco
Original Music Composer
Douglas Shearer
Sound Director
Edwin B. Willis
Set Decoration
Leonid Raab
Orchestrator
George Boemler
Editor
Howard Shoup
Costume Design
William Ferrari
Art Direction