Dean Martin as Pete Nelson

Jerry Lewis as Jerry Hotchkiss

Joanne Dru as Jill Brent

Zsa Zsa Gabor as Saadia

Wallace Ford as Sam Morley

Elsa Lanchester as The Bearded Lady

Sig Ruman as Fritz Schlitz

Nick Cravat as Timmy

Kathleen Freeman as Custard Pie Gag Victim

Robert 'Bob' Atterbury as The Great Nero(High Wire Walker)(uncredited)

George Boyce as Circus Clown(uncredited)

Chet Brandenburg as Circus Roustabout(uncredited)

Drew Cahill as Second Soldier(uncredited)

Frank Carter as Army Captain(uncredited)

Sue Casey as Circus Snake Charmer(uncredited)

Chick Chandler as Drop-the-Dip Pitchman(uncredited)

Sandy Descher as Crippled Girl