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)