Tony Curtis as Steve McCluskey

Suzanne Pleshette as Chris Lockwood

Phil Silvers as Bernie Friedman

Kevin McCarthy as Louie Blanchard

Claire Wilcox as Penelope 'Penny' Piper

Edward Andrews as Herman

Larry Storch as Floyd

Howard Morris as Julius

Stubby Kaye as Cranston

Warren Stevens as Swing

Mary Murphy as Liz McCluskey

Karen Steele as Bambi

Ford Rainey as Judge

Paul Comi as Deputy Cavanaugh

Jack La Rue as Nick the Greek

Diane Ladd as Honeymoon Bride

Helen Kleeb as Child Welfare Official

Bess Flowers as Casino Patron

Richard Mulligan as Bellboy

Gregg Palmer as Howard Piper

Allyn Ann McLerie as Blanchard's Secretary

Paul Comi as Deputy Sheriff Cavanaugh