Mike Brannan

Clark Gable

Regina Forbes

Barbara Stanwyck

Gregg

Adolphe Menjou

Dwight Barrington

Roland Winters

Jack Mackay

Will Geer

Joie Chitwood

William C. McGaw

Mr. Wendall

Emory Parnell

Regina's Secretary

Lela Bliss

Press Agent

Frank Jenks

Janie

Helen Spring

Mike's Mechanic

Bill Hickman

Mike's Mechanic

Lew Smith

Mike's Pit Crew

J. Lewis Smith

Mike's Pit Crew

Lewis Smith

Indianapolis Announcer

Ted Husing

Racetrack Spectator

Bess Flowers

Sports Announcer

Bill Welsh

Cay Forester

Newark Referee

John McGuire

Shoe Fitter (uncredited)

Byron Foulger

Steward

Lee Phelps

IMRA Promoter (uncredited)

John Gallaudet

Ad Lib Driver

Dominic 'Pee Wee' Distarce

Ad Lib Driver

Henry Banks

Ad Lib Driver

Johnnie Parsons

Ad Lib Driver

Johnny Tolan

Steward

Al Hill

Newark Announcer

Raymond H. Brown

Joe Youghal

Joe Garson

IMRA Manager

Hal K. Dawson

Hank Harmon

William 'Billy' Newell

Studio Production Man

Arthur Loew Jr.

Trapeze Girl

Marilyn Rich

Taxi Driver

Frank Hyers

Greengrove Race Announcer

Tom Hanlon

Regina's Radio Show Announcer

Richard Simmons

Dick Simmons

Waiter

Marcel De La Brosse

Latin Woman

Carlotta Monti

Harvard Student

Ernest Ohman

Regina's Maid

Jean Ransome

Benson

Holmes Herbert

Nurse

Anne O'Neal

Race Spotter

Jerry Hausner

Tim Ryan

Cecil Green

Jack McGrath

Cay Forrester

Studio Production Man

Arthur M. Loew, Jr.