Stephen Lack

Cameron Vale

Jennifer O'Neill

Kim Obrist

Michael Ironside

Darryl Revok

Patrick McGoohan

Dr. Paul Ruth

Lawrence Dane

Braedon Keller

Robert A. Silverman

Benjamin Pierce

Lee Broker

Security One

Mavor Moore

Trevellyan

Adam Ludwig

Arno Crostic

Murray Cruchley

Programmer 1

Fred Döderlein

Dieter Tautz

Géza Kovács

Killer in Record Store

Sonny Forbes

Killer in Attic

Jérôme Tiberghien

Killer in Attic

Denis Lacroix

Killer in Barn

Elizabeth Mudry

Killer in Barn

Victor Désy

Dr. Gatineau

Louis Del Grande

First Scanner

Anthony Sherwood

Scanner in Attic

Ken Umland

Scanner in Attic

Anne Anglin

Scanner in Attic

Jock Brandis

Scanner in Attic

Jack Messinger

Scanner at Door

Victor Knight

Dr. Frane

Karen Fullerton

Pregnant Girl

Margaret Gadbois

Woman in Mall

Terrance P. Coady

Security 1 Car Passenger

Steve Michaels

Security 1 Car Driver

Malcolm Nelthorpe

Security 2 Car Driver

Nicholas Kilbertus

Security 2 Car Partner

Don Buchsbaum

Large Man in Mall

Roland Nincheri

Large Man in Mall

Kimberly McKeever

Hallucinating Guard

Robert Boyd

Hallucinating Guard

Graham Batchelor

Yoga Technician

Dean Hagopian

Programmer 2

Alex Stevens

Programmer 3

Neil Affleck

Student

John Brasington

Hazmat-Suit Worker (uncredited)

Chris Britton

Hazmat-Suit Worker (uncredited)

Jack Canon

Hazmat-Suit Worker (uncredited)

Richard Chapman Jr.

Hazmat-Suit Worker (uncredited)

Leon Herbert

Hazmat-Suit Worker (uncredited)

William Hope

Hazmat-Suit Worker (uncredited)

Thomas Kovacs

Boyfriend (uncredited)

Michael Maloley

Doctor in Hall (uncredited)

Ian McQue

Scanner / Security Guard (uncredited)

Chuck Shamata

Tony (uncredited)

Sam Stone

Security Guard (uncredited)