Dean Martin as Slim Mosely Jr. / Slim Mosely Sr.

Jerry Lewis as Wade Kingsley Jr. / Wade Kingsley Sr.

Lori Nelson as Carol Kingsley

Jeff Morrow as Pete Rio

Lon Chaney Jr. as Whitey

Lee Van Cleef as Gus

Jack Elam as Pete

John Baragrey as Dan Hollis / Sam Hollis

Agnes Moorehead as Mrs. Matilda Kingsley

Milton Frome as Hawkins, the Butler

Richard Aherne as Chauffeur

Scott Douglas as Salvin

Jackie Loughery as Dolly Riley

Bob Steele as Shorty

Mickey Finn as Red

Douglas Spencer as Smith

Philip Tonge as Mr. Baxter, Footman

Dorothy Abbott as Dance Hall Girl (uncredited)

Valerie Allen as Dance Hall Girl (uncredited)

Ann McCrea as Dance Hall Girl (uncredited)

Elaine Riley as Dance Hall Girl (uncredited)

Dorothy Ford as Amanda Wentworth (uncredited)

William Forrest as Hocker (uncredited)

Frances Mercer as Sally (uncredited)

Johnstone White as Businessman (uncredited)

Emory Parnell as Col. Hart (uncredited)

Murray Pollack as Bank Customer (uncredited)

James Parnell as Bank Teller (uncredited)

Mary Newton as Laura (uncredited)

James Gonzalez as Rodeo Judge (uncredited)

Art Felix as Rodeo Cowboy (uncredited)

Noble 'Kid' Chissell as Rodeo Spectator (uncredited)

Stanley Blystone as Townsman (uncredited)

James Dime as Townsman (uncredited)

George Huggins as Townsman (uncredited)

Ethan Laidlaw as Townsman (uncredited)

Jack Tornek as Townsman (uncredited)

Leslie Sketchley as Townsman (uncredited)