Tony Curtis

as Steve McCluskey

Suzanne Pleshette

as Chris Lockwood

Claire Wilcox

as Penny Piper

Phil Silvers

as Bernie Friedman

Larry Storch

as Floyd

Howard Morris

as Julius

Edward Andrews

as Herman

Stubby Kaye

as Cranston

Warren Stevens

as Swing

Mary Murphy

as Liz McCluskey

Kevin McCarthy

as Louie Blanchard

Karen Steele

as Bambi

Tom Reese

as Bassett / Uncle Norman

Steve Gravers

as Daytime

Paul Comi

as Deputy Sheriff Cavanaugh

Ford Rainey

as Judge

Gregg Palmer

as Howard Piper

Sharon Farrell

as Dolores

David Allen

as Casino Singer

Jack La Rue

as Nick the Greek (uncredited)

Diane Ladd

as Honeymoon Bride (uncredited)

Helen Kleeb

as Child Welfare Official (uncredited)

Bess Flowers

as Casino Patron (uncredited)

Richard Mulligan

as Bellboy (uncredited)

Allyn Ann McLerie

as Blanchard's Secretary (uncredited)