Peter Outerbridge
David Sandström (52 eps)
Conrad Pla
Carlos Serrano (52 eps)
Mayko Nguyen
Mayko Tran (52 eps)
Dmitry Chepovetsky
Bob Melnikov (52 eps)
Greg Bryk
Weston Field (52 eps)
Maxim Roy
Caroline Morrison (26 eps)
Sarah Strange
Jill Langston (26 eps)
Wendy Crewson
Rachel Woods (26 eps)
Geraint Wyn Davies
Carleton Riddlemeyer (26 eps)
Elliot Page
Lilith Sandstrom (13 eps)
Mishu Vellani
Hira Khan (6 eps)
Stephen Amell
Craig Riddlemeyer (3 eps)
Noam Jenkins
Titus Muyerbridge (3 eps)
Billy MacLellan
Earl Jordan (3 eps)
Patrick Garrow
Patrick McCain (2 eps)
Rob Stewart
Dr. Martin Cove (2 eps)
Keir Gilchrist
10 Year Old Boy (1 eps)
Ari Millen
Greg Fitzsimmons (1 eps)
Salvatore Antonio
Bilal Hassan (1 eps)
Shauna MacDonald
Heather Michelle (1 eps)
Lisa Berry
Nurse (1 eps)
Marvin Ishmael
Dr. Singh (1 eps)
Joy Tanner
Dr. Alex Lowen (1 eps)