Groucho Marx

Benjamin Franklin 'Benny' Linn

Marie Wilson

Jane Sweet, a dumb blonde

William Bendix

Timothy Aloysius 'Tim' Dunnovan

Don DeFore

Bert Sedgwick

Gene Lockhart

Garvey

Dee Hartford

Millicent Temple

Hanley Stafford

Fleet Admiral Temple

Teddy Hart

High Life

Percy Helton

Drive-In Manager

George E. Stone

Skeezer

Henry Corden

Candy Nose (uncredited)

Chili Williams

Car Hop #8 (uncredited)

Midge Ware

Carhop (uncredited)

Dave Willock

Seaman McGonegal (uncredited)

George Barrows

Marine Sentry

Brooks Benedict

The Friend

Dan Bernaducci

Small Sentry

Barbara Blaine

Carhop

Helen Blizard

Carhop

Sue Carlton

Carhop

Jack Chefe

Hotel Waiter

Wade Crosby

Tough Customer

George Dockstader

Red - Sailor

Anne Dore

Carhop

Don Forbes

Assistant Announcer

Robert Haines

Race Steward

Kenner G. Kemp

Sailor