Michael Ironside

as Colt Hawker

Lee Grant

as Deborah Ballin

Linda Purl

as Sheila Munroe

William Shatner

as Gary Baylor

Lenore Zann

as Lisa

Harvey Atkin

as Vinnie Bradshaw

Michael J. Reynolds

as Porter Halstrom

Kirsten Bishop

as Denise

Neil Affleck

as Police Officer

Walker Boone

as Elevator Policeman

Domenico Fiore

as Policeman 2

Lorena Gale

as Nurse 1

Helen Hughes

as Louise Shepherd

Deborah Kirshenbaum

as Connie Wexler

Elizabeth Leigh-Milne

as Patricia Ellis

Maureen McRae

as Elizabeth Hawker

Dustin Waln

as Mr. Hawker

Damir Andrei

as Paramedic

Dorothy Barker

as Sally Flavin

Steve Bettcher

as Anesthetist

Richard Rebiere

as Entrance Policeman

Terrance P. Coady

as Ent. Security Officer

Richard Comar

as Emergency Doctor 2

Dora Dainton

as Mrs. Corrigan

Sylvie Desbois

as Main Desk Nurse

Yvan Ducharme

as Policeman 1

Sarita Elman

as T.V. Director

Kathleen Fee

as Emergency Nurse

Tali Fischer

as Bridget

Richer Francoeur

as Anesthetist

Angela Gallagher

as Desk Nurse

Judith Gay

as Script Assistant

Isadore Goldberg

as Old Man (Cataracts)

Dean Hagopian

as Journalist 1

Victor Knight

as Hospital Administrator

Sheena Larkin

as Officious Nurse

Sylvia Lennick

as Fay Marcus

Frances March

as Florie

Steve Michaels

as Plainclothesman 1

Kimberly McKeever

as Radiologist

Bob McKeowan

as Floor Director

Malcolm Nelthorpe

as Entrance Security Officer

Roland Nincheri

as Emergency Doctor

Mary Rathbone

as Mrs. Marsh

Ron Robbins

as Hair Dresser

Robby Robinson

as Matthew

Danielle Schneider

as Donna Maloney

Lisa Schwartz

as Young Trainee

Danny Silverman

as Young Colt

Marty Starr

as Sally's Boyfriend

Jérôme Tiberghien

as Grant

Katherine Trowell

as Journalist 2

Len Watt

as Clement Pine

George E. Zeeman

as Emergency 2

Charles Dennis

as Doctor (uncredited)