Currently available on 2 streaming services.

WW3 - watch online: streaming, buy or rent

You can buy "WW3" on Apple TV, Amazon Video as download or rent it on Amazon Video, Apple TV online.

Cast

Timothy Hutton
Larry Sullivan
Lane Smith
John Sullivan
Marin Hinkle
Judy Rosenberg
Michael Constantine
Yuri Zenkovsky
Terry O'Quinn
Eric Farrell
Isiah Whitlock Jr.
Judy Reyes
Maria Cruz
Peter Benson
Peter Mint
David Aaron Baker
Agent Gold
Gary Perez
Edward Cruz
Vanessa Williams
M.J. Blake (as Vanessa L. Williams)
Matthew Harbour
Timmy Mint
Gabriel Marian Oseciuc
Serge Kurbsky (as Gabriel Oseciuc)
Hrant Alianak
Abdus Hamdoon
John Cunningham
Appleton
Brian Adam DeJesus
Oakley Cruz (as Brian Dejesus)
Frank Pellegrino
Donald Wells
Dean McDermott
Dr. Watson
Soo Garay
Patty
David Huband
Wardley
David Gow
Kristof
Griffith Brewer
Mr. Zelf
Larry Day
Danvers
Gillian Ferrabee
Ship's Nurse
David Dean
Spike
Kena Molina
Hela
Al Vandecruys
Sea King Official
Tony Calabretta
Mr. Poll
Élyanne Menicucci
Abigale
Paul Doucet
Agent #1
Brian Wrench
Young Man in Apartment
Victoria Barkoff
Patient's Daughter
Laurent Imbault
Man in Apartment
Barry Blake
Bio Suit Man
Mary Morter
Elderly Patient
Mutsumi Takahashi
Newscaster
Jane Gilchrist
Old Woman
Cecile Cristobal
Nurse #2
Marc V. Denis
FBI Agent on Boat
Basil McKenna
Security Guard
Marie-Claude Sabourin
Crying Woman
Guy Letourneau
FBI Agent (uncredited)