Director/a
Malcolm St. Clair
DIRECTOR/A
Reparto (por orden de créditos)
Chester Lauck
Lum Edwards
Norris Goff
Abner Peabody
Franklin Pangborn
Mr. Pinkney
Kay Linaker
Mrs. Madge Carmen
Irving Bacon
Omar Tennyson Gimpel
Herbert Rawlinson
J.J. Stark Sr.
Ivan F. Simpson
Professor Albert Frisby
Rosemary La Planche
Miss LaPlanche - Dr. O'Brien's Nurse
Luis Alberni
Van Dyke (uncredited)
Billy Bletcher
Classified Ad Agency Collector (uncredited)
Lane Bradford
Loader (uncredited)
Lynton Brent
FBI Agent (uncredited)
Jack Carr
Airfield Attendant (uncredited)
Nora Cecil
Grandma Masters (uncredited)
Danny Duncan
Ulysses, Postman (uncredited)
Edward Earle
Doctor J.J. O'Brien (uncredited)
Ben Erway
Mr. Fleming - Lawyer (uncredited)
Jim Farley
Gossiper (uncredited)
Gil Frye
Stark's Assistant (uncredited)
Jack Gardner
Elevator Operator (uncredited)
Charles Gemora
Plato The Gorilla (uncredited)
Jerry Hausner
Newspaper Reporter (uncredited)
Frank Jaquet
Dr. Leach (uncredited)
Si Jenks
Gold City Junction Station Agent (uncredited)
Tiny Jones
Townswoman (uncredited)
Donald Kerr
Plato's Owner (uncredited)
Evalyn Knapp
Miss Morris - Dr. O'Brien's Secretary (uncredited)
Hank Mann
Building Janitor (uncredited)
Charles Middleton
Elmer Kelton (uncredited)
Frank Mills
Airplane Mechanic (uncredited)
Bert Moorhouse
Roger Neury
Hotel Waiter (uncredited)
Oscar O'Shea
Squire Skimp (uncredited)
Jack Rice
Hotel Clerk (uncredited)
Cyril Ring
Airplane Pilot (uncredited)
Tim Ryan
Thrill-a-Minute Higgins (uncredited)
Dorothy Anne Seese
Dorothy (uncredited)
John Sheehan
Harp Delivery Man (uncredited)
Harry Tenbrook
Man Pushing Wheelchair (uncredited)