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