Alan Arkin
Simas Kudirka
Richard Jordan
Cmdr. Edward Devon
Donald Pleasence
Capt. Vladimir Popov
George Dzundza
Gruzauskas
John McMartin
Phillip Chadway
Shirley Knight
Genna Kudirka
Marvin Silbersher
Cmdr. Burkalis
Peter Evans
Mott
Ted Shackelford
Blain
Barton Heyman
Dr. Paegle
Jack Blessing
Kabek
Nicholas Guest
Baltrunar
Matthew Arkin
Petras
Salem Ludwig
Assistant Supervisor
Donald Warnock
Stender
Nicholas Saunders
Soviet Chairman
Warren Manzi
Radio Operator
David Gibson
Garvey
Thom Vegh
Cipola
M.F. Bernier
Colley
Clarence Felder
Picnic Man
Gedda Petry
Marija
Joe Sabia
Durgas
Daniel Williams
Seaman Nance
Michael Stein
Yakov
Joyce Vining Morgan
Mrs. Paegle
Don Wescott
Prosecutor
Jack Lazare
Old KGB Man
Stephen Nuding
Young KGB Man
Kenneth Bradford
Capt. Sloan
Leo Grillo
Thomas
Bok Richardson
Adm. Ritter
William Paul Steele
Cmdr. Sullivan