- Philip Hurlic - Verman
- Carole Landis - Girl at Fair (uncredited)
- Sonny Bupp - Monk (uncredited)
- Glen Cavender - Truck Driver Giving Penrod a Lift (uncredited)
- James Conaty - Dinner Guest (uncredited)
- Gloria Fisher - Amy Perkins (uncredited)
- Eddie Graham - Second Reporter (uncredited)
- John Harron - Spieler at Carnival (uncredited)
- Peter Lind Hayes - Weight Guesser at Carnival (uncredited)
- Stuart Holmes - Banker Dinner Guest (uncredited)
- Frank Jaquet - Sheriff Bart in New Mexico (uncredited)
- Muriel Kearney - Minor Role (uncredited)
- Ethan Laidlaw - Bus Driver (uncredited)
- Billy Lechner - Donald (uncredited)
- Roger McGee - Roger (uncredited)
- Edmund Mortimer - Dinner Guest (uncredited)
- Jack Mower - Matt (uncredited)
- Spec O'Donnell - Carnival Patron (uncredited)
- Paul Panzer - Mexican Rancher Giving Penrod a Lift (uncredited)
- Johnnie Pirrone Jr. - Sam (uncredited)
- John J. Richardson - Man Warning Matt That the Balloon Was Up (uncredited)
- Cliff Saum - Police Officer Kicking the Professor (uncredited)
- Jerry Tucker - Jerry (uncredited)
- Lottie Williams - Woman Watching Reporter Interview (uncredited)
- Tom Wilson - Brill (uncredited)
- Jack Wise - First Reporter (uncredited)
- Billy Wolfstone - Piggy (uncredited)
- Lillian Yarbo - Mrs. Washington (uncredited)
-
Lewis Seiler
- Crane Wilbur
- Jack L. Warner
- Hal B. Wallis
- Bryan Foy
Billy Mauch interpreta a Penrod Schofield en la película.
Robert J. Mauch interpreta a Danny en la película.
Dick Purcell interpreta a Tex Boyden en la película.
Gene Lockhart hace el papel de Mr. Schofield.
Kathleen Lockhart hace el papel de Mrs. Schofield.
Hugh O'Connell interpreta a Professor Caligostro en la película.
Charles Halton interpreta a Mr. Bitts en la película.
Bernice Pilot interpreta a Delia en la película.
Jackie Morrow hace el papel de Rodney Bitts.
Philip Hurlic interpreta a Verman en la película.
Carole Landis interpreta a Girl at Fair (uncredited) en la película.
Sonny Bupp interpreta a Monk (uncredited) en la película.
Glen Cavender interpreta a Truck Driver Giving Penrod a Lift (uncredited) en la película.
James Conaty interpreta a Dinner Guest (uncredited) en la película.
Gloria Fisher hace el papel de Amy Perkins (uncredited).
Jack A. Goodrich interpreta a Attendant (uncredited) en la película.
Eddie Graham interpreta a Second Reporter (uncredited) en la película.
John Harron interpreta a Spieler at Carnival (uncredited) en la película.
Peter Lind Hayes hace el papel de Weight Guesser at Carnival (uncredited).
Stuart Holmes interpreta a Banker Dinner Guest (uncredited) en la película.
Don Hulbert interpreta a Chuck (uncredited) en la película.
Frank Jaquet hace el papel de Sheriff Bart in New Mexico (uncredited).
Muriel Kearney interpreta a Minor Role (uncredited) en la película.
Ethan Laidlaw hace el papel de Bus Driver (uncredited).
Billy Lechner interpreta a Donald (uncredited) en la película.
Al Lloyd interpreta a Sheriff's Deputy / Jailer (uncredited) en la película.
Roger McGee interpreta a Roger (uncredited) en la película.
Edmund Mortimer hace el papel de Dinner Guest (uncredited).
Jack Mower hace el papel de Matt (uncredited).
Spec O'Donnell interpreta a Carnival Patron (uncredited) en la película.
Paul Panzer hace el papel de Mexican Rancher Giving Penrod a Lift (uncredited).
Johnnie Pirrone Jr. hace el papel de Sam (uncredited).
John J. Richardson hace el papel de Man Warning Matt That the Balloon Was Up (uncredited).
Cliff Saum interpreta a Police Officer Kicking the Professor (uncredited) en la película.
Jerry Tucker interpreta a Jerry (uncredited) en la película.
Meredith White interpreta a Scarlett Washington (uncredited) en la película.
Lottie Williams hace el papel de Woman Watching Reporter Interview (uncredited).
Tom Wilson hace el papel de Brill (uncredited).
Jack Wise interpreta a First Reporter (uncredited) en la película.
Billy Wolfstone hace el papel de Piggy (uncredited).
Lillian Yarbo hace el papel de Mrs. Washington (uncredited).
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