Clark Gable
Big John McMasters
Spencer Tracy
Square John Sand
Claudette Colbert
Betsy Bartlett
Hedy Lamarr
Karen Vanmeer
Frank Morgan
Luther Aldrich
Lionel Atwill
Harry Compton
Chill Wills
Harmony Jones
Marion Martin
Whitey
Minna Gombell
Spanish Eva
Joe Yule
Ed Murphy
Horace Murphy
Tom Murphy
Curt Bois
Ferdie the Tailor
Richard Lane
Assistant D.A.
George Lessey
Judge
Sara Haden
Miss Barnes
Frank Orth
Barber
Nell Craig
Compton's Secretary
Byron Foulger
Geologist
Roy Gordon
McCreery
Casey Johnson
Little Jack
Baby Quintanilla
Baby Jack
Frank McGlynn Sr.
Deacon
Bess Flowers
Worker in McMasters' Office (uncredited)
Barbara Bedford
Nurse (uncredited)
Hank Bell
Hank - Man in Dance Hall (uncredited)
Charles D. Brown
U.S. Marshal Stebbins (uncredited)
Francis X. Bushman Jr.
Man with Nitroglycerine (uncredited)
Marietta Canty
Karen's Maid (uncredited)
Charles Coleman
Parker - McMasters' Butler (uncredited)
James Conaty
Man Working in McMasters' Office (uncredited)
Dick Curtis
Hiring Boss (uncredited)
Helen Dickson
Mrs. Summers (uncredited)
James Dime
Townsman (uncredited)
Eddie Dunn
Wildcatter (uncredited)
Franklyn Farnum
Alarmed Townsman (uncredited)
Pat Flaherty
Man at Dice Table (uncredited)
Sam Garrett
Rider / Roper (uncredited)
George Guhl
Baggage Man (uncredited)
Frank Hagney
Man Abandoned by Whitey (uncredited)
William Halligan
McCreery's Associate #2 (uncredited)
John Hamilton
McMasters' Defense Attorney (uncredited)
Tom Hanlon
Racetrack Announcer (voice) (uncredited)
Harry Hayden
Smith - the Architect (uncredited)
Holmes Herbert
Doctor (uncredited)
Howard Hickman
McCreery's Associate #1 (uncredited)
Earle Hodgins
Rodeo Barker (uncredited)
Shep Houghton
Saloon Brawler (uncredited)
Jack Ingram
Oilman at Producers' Convention (uncredited)
Sheldon Jett
Oil Man at Meeting (uncredited)
Robert Emmett Keane
Oilman in New York (uncredited)
Mitchell Lewis
Venezuelan Foreman (uncredited)
Tom London
Sheriff Harris (uncredited)
Frank McLure
Man in Hotel Lobby (uncredited)
Carlotta Monti
Saloon Hostess Fighting Whitey (uncredited)
Philip Morris
Oil Man (uncredited)
John T. Murray
Mr. Springtime (uncredited)
Wedgwood Nowell
Oilman at Producers' Convention (uncredited)
Ted Oliver
Man Asking 4 Bits to Cross (uncredited)
Nestor Paiva
Venezuelan Officer (uncredited)
Milton Parsons
Aldrich's Assistant (uncredited)
Lee Phelps
Man Fighting Oil Fire (uncredited)
Henry Roquemore
Mr. Summers (uncredited)
Larry Steers
Lawyer at Prosecution's Table (uncredited)
Bert Stevens
Hotel Lobby Extra (uncredited)
William Tannen
Hotel Desk Clerk #1 (uncredited)
Eddy Waller
Hotel Clerk (uncredited)
Harry Wilson
Townsman (uncredited)
Tom Wilson
Man in Saloon (uncredited)
Douglas Wood
Oil Man at New York Meeting (uncredited)