Kavan Smith
Deputy Andy (14 eps)
Colin Ferguson
Jack Carter (13 eps)
Salli Richardson-Whitfield
Allison Blake (13 eps)
Joe Morton
Henry Deacon (13 eps)
Erica Cerra
Jo Lupo (13 eps)
Neil Grayston
Douglas Fargo / S.A.R.A.H. (13 eps)
Jordan Danger
Zoe Carter (13 eps)
Niall Matter
Zane Donovan (13 eps)
Matt Frewer
Jim Taggart (13 eps)
Chris Gauthier
Vincent (13 eps)
Debrah Farentino
Beverly Barlowe (13 eps)
Christopher Jacot
Larry Haberman (13 eps)
Felicia Day
Holly Marten (10 eps)
Tembi Locke
Grace Monroe (8 eps)
Trevor Jackson
Kevin Blake (6 eps)
Jordenn Thompson
Jenna (4 eps)
Wil Wheaton
Isaac Parrish (4 eps)
Martin Cummins
Dekker (3 eps)
Roger Cross
Major William Shaw (3 eps)
Forbes Angus
Dr Selikoff (2 eps)
Ming-Na Wen
U.S. Senator Michaela Wen (2 eps)
Paula Lindberg
Neural Engineer #1 (2 eps)
Eugene Byrd
Dr Michael Clark (1 eps)
Dondré Whitfield
Dr Marcus Blake (1 eps)
C. Douglas Quan
Dr Horikoshi (1 eps)
Grant Imahara
scientifique (1 eps)
Peter Brown
Med Tech (1 eps)
Nevaeh Kidd
Jenna Blake (1 eps)
Patricia Isaac
Med Tech (1 eps)
Rif Hutton
Astraeus Computer (1 eps)
Ben Immanuel
Dr. Fung (1 eps)
Jonathan Holmes
Consortium #1 (1 eps)
Sarah Afful
Cop (1 eps)
Christina Jastrzembska
Old Woman (1 eps)
Christina Sicoli
GD Tech #2 NPC (1 eps)
Viv Leacock
Array Guard #1 (1 eps)
Jason Griffith
Array Guard #2 (1 eps)
Nico Cortez
Jo's Dad (1 eps)
Jeffrey Kaiser
GD Tech NPC (1 eps)
Demord Dann
GD Guard NPC (1 eps)
Wallace Shawn
Warren Hughes (1 eps)
James Callis
Trevor Grant (1 eps)
Craig Anderson
Dr. Nick Fowler (1 eps)