Dean Martin as Bill Miller

Jerry Lewis as Ted Rogers

Polly Bergen as Mary Turner

Marion Marshall as Genevieve 'Frecklehead' Tait

Eddie Mayehoff as Leo Lyman

Richard Erdman as Ben Bailey

Frances Bavier as Mrs. Rogers

Percy Helton as Sam Robertson (uncredited)

Oliver Blake as Theater Manager (uncredited)

Danny Borzage as Diner Patron (uncredited)

Morgan Brown as Wedding Guest / Audience Member (uncredited)

Steve Carruthers as Audience Member (uncredited)

Danny Davenport as Sam Heinz (uncredited)

Charles Evans as Mr. Sutherland (uncredited)

Franklyn Farnum as Party Guest / Audience Member (uncredited)

Tommy Farrell as Tommy (uncredited)

George Ford as Party Guest (uncredited)

Rudy Germane as Party Guest (uncredited)

Joe Gilbert as Wedding Guest (uncredited)

Herschel Graham as Wedding Guest (uncredited)

Don Haggerty as Mr. Winston (uncredited)

Robert Haines as Club Patron (uncredited)

Jerry Hausner as Al Borden (uncredited)

Harry Hines as (uncredited)

Shep Houghton as Club Patron (uncredited)

Nolan Leary as Pops (uncredited)

Norman Leavitt as Cabbie (uncredited)

Freeman Lusk as Frank Darling (uncredited)

Donald MacBride as Diner Proprietor (uncredited)

Hank Mann as Stagehand (uncredited)

Harold Miller as Audience Member (uncredited)

Frank O'Connor as Sidewalk Passerby (uncredited)

Monty O'Grady as Wedding Guest (uncredited)

Eddie Parks as Mr. Dusick (uncredited)

Edwin Rochelle as Audience Member (uncredited)

Michael Ross as Big Audience Member (uncredited)

Jeffrey Sayre as Theatre Patron (uncredited)

Charles Smith as Soda Jerk (uncredited)

Cap Somers as Diner Patron (uncredited)

Al Thompson as Audience Member (uncredited)

Mary Treen as Ms. Regan (uncredited)