David Hewlett

as Oliver

as Ray

as Bruce

as Cornelius

as Masson

as Bill

as Dr. Elrood

as Anthony Herman

as Brian

as Mr. Jacobs

as Husband Kimmel

as Michael

as Tormada

as Derrek Blarney

as Bill Ratch

as Nelson Dwyer

as Fleming

as Chad

as Earl Baer

as Talbor Calchek

as Self

as Aslin Kane

as Olivia's Father

as Self

as Mills

as Radnor

as Douglas Hunsiker

as Nathan Burns

as Fred Murray

as Barlow

as Frank

as Rodney McKay

as Rodney McKay

as Patrick

as Special Agent Jerry Moore

as Dr. Emmett

as Rodney McKay

as Anders Raeborne

as Bryan

as Lawrence Yeager

as Dave

as Virgil C. Dunn

as Fred Watkins

as Hector Freimark

as Murray

as Michael

as Gus Gruber

as Gerry Capano

as Frederick

as Gord

as Nick

as Mr. Green

as Doc

as Worth

as Mel

as Andrew

as Rob Fitzgerald

as Hank

as Grant Jansky

as Mr. Schudy

as Steven Lunney (age 25)

as Deadpan

as Nyles Chapman

as 'Ruska' Rostislav

as Walter Jenkins

as Walter Jenkins

as Gary Hammond

as David Kellum

as Terry

as Jimmy

as Joe Dobson

as Leon

as Cal

as Chuckie