Réalisation

• Frank McDonald — director

Scénario

• Daniel Mainwaring — screenplay
• Maxwell Shane — screenplay

Image

• Fred Jackman Jr. — director of photography

Son

• Alexander Laszlo — original music composer
• William R. Fox — sound recordist

Production

• William C. Thomas — producer
• William H. Pine — producer
• Maxwell Shane — associate producer

Effets visuels

• Ray C. Smallwood — visual effects
• Alex Weldon — visual effects

Montage

• Howard A. Smith — supervising editor
• Henry Adams — editor

Direction artistique

• Frank Paul Sylos — art direction
• Roy Berk — set decoration

Distribution

• Jack Haley — Larry Elliot
• Ann Savage — Sally Warren
• Barton MacLane — George 'Deacon' Markham
• Veda Ann Borg — Flo Rosson
• Roger Pryor — Richardson
• George E. Stone — Mink
• Robert Emmett Keane — Prof. Wisner
• Lucien Littlefield — Charles Waldeck / Preston Waldeck
• Paul Hurst — Sheriff
• Arthur Aylesworth — Emerson Cooke
• Eily Malyon — Mrs. Cooke
• Buddy Swan — Oliver Waldeck
• Walter Baldwin — Deputy with Rifle (Uncredited)
• Dick Curtis — Bus Driver (Uncredited)
• Edward Earle — Joshua Elliott (Uncredited)
• Charles Williams — Reporter (Uncredited)
• Jack Deery — Chess Match Spectator (uncredited)
• Eric Mayne — Chess Match Spectator (uncredited)