Frank Lovejoy

as Police Capt. Tom Lynn

Keefe Brasselle

as Sam Bennett aka Bill Holland

Cathy O'Donnell

as Anne Bennett

Karen Sharpe

as Tess

Stanley Clements

as Marty aka Ignatz

Paul Bryar

as Matt, Police Detective

Paul Dubov

as Jamie Allison

James Delgado

as Frank

Joe Turkel

as Pete Johnson (as Joseph Turkel)

Aaron Spelling

as Willie Hanson

Terence de Marney

as Pop (as Terence DeMarny)

Estes Kefauver

as Himself, Pre-Title Prologue (as Senator Estes Kefauver)

Maidie Norman

as Miss Lovett

Joe Besser

as Gas Station Attendant

Robert Stevenson

as TV News Broadcaster (uncredited)