John Savage as Charles Heller

Christopher Plummer as Professor Lakos

Marthe Keller as Elisabeth

Arthur Hill as Brewer

Nicholas Campbell as Schraeger

George Coe as Rutledge

John Marley as Molton

Jan Rubeš as Kaplan

Ed Lauter as Anderson

Miguel Fernandes as Botaro

Jan Tříska as Rodzenko

Graham Jarvis as Porter

Jacques Godin as Argus

Chapelle Jaffe as Gretchen

Lynne Griffin as Sarah

Vlasta Vrana as Guide

Vladimír Valenta as Uncle Ludwig

Neil Dainard as Slater

Lee Broker as Sharp-Eyed Man

Tedde Moore as Newscaster

Maruska Stankova as Eva Lakos

Iréna Mayeska as Woman Clerk

George Buza as Terrorist #4

George R. Robertson as U.S. Consul

John Kerr as CIA Security Guard

Guy Sanvido as News Vendor

Robert Beatty as Ambassador Neville

Walther Reyer as Chancellor

Peter Wolsdorff as General Felder

Henry Gomez as Master Sergeant

Erin Noble as Waitress

Lisa Schrage as Teenage Girl #1

Susan Young as Teenage Girl #2

Anthony Kramreither as TV Director

Paul Reymont as TV Technician

Aubrey Taylor as Doorman

Roman Chabursky as Busboy

Bob Lem as Nakamura

Fred Culik as Martin

Peter Langley as Demolitions Expert

Harry Hornisch as Watcher

Helmut Gräf as Taxi Driver

Vladimir Bondarenko as Czech Detective

Zdenek Gruner as Czech Officer