Daniel Pilon

as Dr. Bill Fuller

Kate Reid

as Dr. Jessica Morgan

Céline Lomez

as Margo Simar

Michael J. Reynolds

as Dr. Dave McKay

Brenda Donohue

as Dr. Celia Graham, Bill's Associate

Jonah Royston

as Dr. Allen Saunders, Public Health Officer

Barbara Gordon

as Joan Fuller

Jack Van Evera

as Man with Margo