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