Guion

• Frank Wead — screenplay
• Frank Wead — theatre play

Dirección

• Howard Hawks — director

Equipo técnico

• Fred Jackman — special effects

Arte

• John Hughes — art direction

Vestuario y maquillaje

• Perc Westmore — makeup artist
• Orry-Kelly — costume design

Montaje

• William Holmes — editor

Cámara

• Arthur Edeson — director of photography

Reparto

• James Cagney — Dizzy Davies
• Pat O'Brien — Jake L. Lee
• June Travis — Tommy Thomas
• Stuart Erwin — Texas Clarke
• Barton MacLane — Al Stone
• Henry Wadsworth — Tay Lawson
• Isabel Jewell — Lou Clarke
• Martha Tibbetts — Mary Miller Lee
• Craig Reynolds — Joe Allen
• Dick Purcell — Smiley (as Dick Purcell)
• Carlyle Moore Jr. — Eddie Payson
• Addison Richards — Fred Adams
• Garry Owen — Mike Owens
• Edward Gargan — Doc Wilson
• Robert Light — Les Bogan