James Mason

as Jim Molner

Inger Stevens

as Joan Molner

Rod Steiger

as Paul Hoplin

Neville Brand

as Steve

Angie Dickinson

as Eileen Kelly

Jack Kruschen

as Agent Charles Pope

Terry Ann Ross

as Patty Molner

Jack Klugman

as Vince

Kenneth Tobey

as Agent Frank Cole

Carleton Young

as Roger Adams

Barney Phillips

as Dan Pringle

Harlan Warde

as Bert, Operative

Ed Hinton

as Operative

Chet Huntley

as Himself

Roy Neal

as Himself

Jonathan Hole

as Airline Executive

William Schallert

as Henderson, Bank Representative

Portland Mason

as Patty's Friend on Schoolbus