Paul Burke

Jerry Marshall

Carol Lynley

Diana

Martha Hyer

Lee Marshall

Peter Lind Hayes

Pete Delaney

Philip Carey

Mike Wilson

Stephen McNally

Lt. Tom Gavin

Whit Bissell

Dr. David Haggis

Ann Doran

Lee's Mother

Kathryn Givney

Margaret Granger, Diana's Aunt

Orville Sherman

Raymond

Leoda Richards

Patron in Country Club Bar

Elaine Devry

Sharon Livingston

Charles Alvin Bell

Swanton

Frank Tarloff

Writer

Patricia Highsmith

Novel

Norman Katkov

Writer

Robert Sparr

Director

Stephanie Epper

Stunts

Jacques R. Marquette

Director of Photography