Lana Turner as Marjorie Penrose

Efrem Zimbalist Jr. as Arthur Winner

Jason Robards as Julius Penrose

George Hamilton as Warren Winner

Susan Kohner as Helen Detweiler

Thomas Mitchell as Noah Tuttle

Everett Sloane as Dr. Reggie Shaw

Yvonne Craig as Veronica Kovacs

Gilbert Green as Woolf

Claire Carleton as Mrs. Kovacs

Frank Maxwell as Jerry Brophy

Carroll O'Connor as Bernie Breck

Jean Willes as Junie McCarthy

Barbara Bel Geddes as Clarissa Winner

Claire Carleton as Mrs. Kovacs (uncredited)

Harry Holcombe as Dr. Trowbridge (uncredited)

Robert Malcolm as Charles (uncredited)

Lester Matthews as Club Patron (uncredited)

Murray Pollack as Club Patron (uncredited)