Michael Sarrazin

as Henry Brockman

as Frank Bryant

as Milt

as Prof. Nelson Zarcoff

as Dr. Robert Trask

as Crawford

as Dr. Charles Tenzer

as Lt. Colonel Douglas Murphy

as Tayi

as Smith

as Craig

as Craig

as Stranger

as Marty Kilgore

as Romeo Laflamme

as Woody Clark

as Trevean

as Jan MacKenzie

as Strand

as Michael Henderson

as Mike Vincent

as Moorcraft

as Sergeant McManus

as Bert Sanders

as Daniel Hawkins

as Lt. Steven Rykker

as Kevin Hornby

as John Colt

as Peter Horne

as David Marsh

as Jacob Beiler

as Matuska Szilveszter / Prokopp István

as Vince Morelli

as Brandon

as Casey Troy

as Michael Taylor

as Mark Miller

as Michael Bannon (Cobra Team)

as Scaramouche

as Self - Host

as Self (uncredited)

as Peter Proud

as The Creature

as Pete Robbins

as The Creature

as Ray Haulihan

as Self

as John David Welles / Peter Bellamy

as Leland 'Lee' Stamper

as Remy

as William Popper

as Robert Syverton

as Gregory Mulvey

as Wylie

as Denny McGuire

as Miller Nalls

as Jess Washburn

as Curley

as Cord Decker

as Army Corporal

as Tony

as Sam Coates