Peta Wilson
Nikita (22 eps)
Roy Dupuis
Michael (22 eps)
Matthew Ferguson
Seymour Birkoff (22 eps)
Eugene Robert Glazer
Operations (22 eps)
Alberta Watson
Madeline (22 eps)
Don Francks
Walter (22 eps)
Lawrence Bayne
Davenport (10 eps)
Carlo Rota
Mick Stoppel (6 eps)
David Hemblen
George (5 eps)
Cindy Dolenc
Kate Quinn (5 eps)
Siân Phillips
Adrian (3 eps)
Maxwell Caulfield
Helmut Volker (2 eps)
Jennifer Finnigan
Dory (1 eps)
Dawn Greenhalgh
Mrs. Collins (1 eps)
Barry Morse
Wolfgang Volker (1 eps)
Stephen McHattie
Willie Kane (1 eps)
James Purcell
Carlos Bonaventure (1 eps)
Michael Cera
Jerome (1 eps)
Aaron Ashmore
Neil Hudson (1 eps)
Clé Bennett
Trent Hammett (1 eps)
Kira Clavell
Jasmine Kwong (1 eps)
Megan Fahlenbock
Claire Brooks (1 eps)
Brian Poth
Patrick 'Darwin' Donoghue (1 eps)
David Stinson
Crystal Sky Op #5 (uncredited) (1 eps)
Kris Lemche
Greg Hillinger (1 eps)
Joseph Scoren
Corliss (1 eps)
Chuck Shamata
Stephan Vacek (1 eps)
Samia Shoaib
Elena (1 eps)