Clark Gable as Big John McMasters

Spencer Tracy as Square John Sand

Claudette Colbert as Betsy Bartlett

Hedy Lamarr as Karen Vanmeer

Frank Morgan as Luther Aldrich

Lionel Atwill as Harry Compton

Chill Wills as Harmony Jones

Marion Martin as Whitey

Minna Gombell as Spanish Eva

Joe Yule as Ed Murphy

Horace Murphy as Tom Murphy

Marietta Canty as Maid

Curt Bois as Ferdie the Tailor

Richard Lane as Assistant D.A.

George Lessey as Judge

Sara Haden as Miss Barnes

Frank Orth as Barber

Charles Coleman as McMasters' Butler

Nell Craig as Compton's Secretary

Byron Foulger as Geologist

Harry Hayden as Architect

Eddy Waller as Hotel Desk Clerk in Burkburnett

Roy Gordon as McCreery

Casey Johnson as Little Jack

Baby Quintanilla as Baby Jack

Frank McGlynn Sr. as Deacon

Bess Flowers as Worker in McMasters' Office (uncredited)

Barbara Bedford as Nurse (uncredited)

Hank Bell as Hank - Man in Dance Hall (uncredited)

Charles D. Brown as U.S. Marshal Stebbins (uncredited)

Francis X. Bushman Jr. as Man with Nitroglycerine (uncredited)

Marietta Canty as Karen's Maid (uncredited)

Charles Coleman as Parker - McMasters' Butler (uncredited)

James Conaty as Man Working in McMasters' Office (uncredited)

Dick Curtis as Hiring Boss (uncredited)

Helen Dickson as Mrs. Summers (uncredited)

James Dime as Townsman (uncredited)

Eddie Dunn as Wildcatter (uncredited)

Franklyn Farnum as Alarmed Townsman (uncredited)

Pat Flaherty as Man at Dice Table (uncredited)

Sam Garrett as Rider / Roper (uncredited)

George Guhl as Baggage Man (uncredited)

Frank Hagney as Man Abandoned by Whitey (uncredited)

William Halligan as McCreery's Associate #2 (uncredited)

John Hamilton as McMasters' Defense Attorney (uncredited)

Tom Hanlon as Racetrack Announcer (voice) (uncredited)

Harry Hayden as Smith - the Architect (uncredited)

Holmes Herbert as Doctor (uncredited)

Howard Hickman as McCreery's Associate #1 (uncredited)

Earle Hodgins as Rodeo Barker (uncredited)

Shep Houghton as Saloon Brawler (uncredited)

Jack Ingram as Oilman at Producers' Convention (uncredited)

Sheldon Jett as Oil Man at Meeting (uncredited)

Robert Emmett Keane as Oilman in New York (uncredited)

Mitchell Lewis as Venezuelan Foreman (uncredited)

Tom London as Sheriff Harris (uncredited)

Frank McLure as Man in Hotel Lobby (uncredited)

Carlotta Monti as Saloon Hostess Fighting Whitey (uncredited)

Philip Morris as Oil Man (uncredited)

John T. Murray as Mr. Springtime (uncredited)

Wedgwood Nowell as Oilman at Producers' Convention (uncredited)

Ted Oliver as Man Asking 4 Bits to Cross (uncredited)

Nestor Paiva as Venezuelan Officer (uncredited)

Milton Parsons as Aldrich's Assistant (uncredited)

Lee Phelps as Man Fighting Oil Fire (uncredited)

Henry Roquemore as Mr. Summers (uncredited)

Larry Steers as Lawyer at Prosecution's Table (uncredited)

Bert Stevens as Hotel Lobby Extra (uncredited)

William Tannen as Hotel Desk Clerk #1 (uncredited)

Eddy Waller as Hotel Clerk (uncredited)

Harry Wilson as Townsman (uncredited)

Tom Wilson as Man in Saloon (uncredited)

Douglas Wood as Oil Man at New York Meeting (uncredited)