Simas Kudirka
Alan Arkin
Cmdr. Edward Devon
Richard Jordan
Kabek
Jack Blessing
Baltrunar
Nicholas Guest
Petras
Matthew Arkin
Assistant Supervisor
Salem Ludwig
Stender
Donald Warnock
Soviet Chairman
Nicholas Saunders
Radio Operator
Warren Manzi
Garvey
David Gibson
Cipola
Thom Vegh
Colley
M.F. Bernier
Capt. Vladimir Popov
Donald Pleasence
Picnic Man
Clarence Felder
Marija
Gedda Petry
Durgas
Joe Sabia
Seaman Nance
Daniel Williams
Yakov
Michael Stein
Mrs. Paegle
Joyce Vining Morgan
Prosecutor
Don Wescott
Old KGB Man
Jack Lazare
Young KGB Man
Stephen Nuding
Capt. Sloan
Kenneth Bradford
Gruzauskas
George Dzundza
Thomas
Leo Grillo
Adm. Ritter
Bok Richardson
Cmdr. Sullivan
William Paul Steele
Phillip Chadway
John McMartin
Genna Kudirka
Shirley Knight
Cmdr. Burkalis
Marvin Silbersher
Mott
Peter Evans
Blain
Ted Shackelford
Dr. Paegle
Barton Heyman
Executive Producer
Gerald W. Abrams
Director
David Lowell Rich
Writer
Bruce Feldman
Producer
Richard Briggs
Gerald I. Isenberg
Original Music Composer
David Shire
Director of Photography
Jacques R. Marquette
Editor
John A. Martinelli
Art Direction
William Hiney
Music Editor
Richard Lapham