Martin Sheen

as Alex Carmody

Peter Firth

as Ken Parrish

Fionnula Flanagan

as Diane Carmody

Ramon Estevez

as Brian Carmody

William Hootkins

as Earl Linton

Tim Pigott-Smith

as Father Joe Ryan

Frances Tomelty

as Jackie Hampton

François Guétary

as Jean-Pierre Belair

Kenneth Haigh

as Nathan Weis

Daniel Woźniak

as Uri Lopte

Dudley Sutton

as Mikhail S. Petrov

Bobby Sherman

as Jack Tyler

Valerie Braddell

as Jacinta

Ted Carrere

as Beale

Richard Drout Miller

as Grissom

Bertie Cortez

as Assante

Tomasz Białkowski

as Embassy Clerk

Michael Morris

as Nuclear Guard

Nicolas Vogel

as Chairman Leclerc

Filipe Ferrer

as Hotel Receptionist

Sean O'Neal

as TV Anchorman

Cathleen Leslie

as Deena Roberts

Steven Adler

as FBI Agent

Judith Burnett

as First Secretary

Peggy Frankston

as Weis' Secretary

Bill Dunn

as Researcher

Peter Lurie

as Peter

Charles Bennett

as Charlie

Michael Finnegan

as Michael