Characters played by Valin Brenwen
Piero Joplin
Characters played by Mario Alberto Pagan
Christopher
Characters played by Ashley Renfroe
Cave Johnson
Characters played by Adam Eltarhoni
The Outsider
Characters played by Tabitha Kilgore
Caroline
Characters played by Michelle Christine Brannon
Chell
Characters played by Zakk Martin
Aperture Personnel 1
Characters played by Dillon Eversman
Aperture Personnel 2
Characters played by Ellen McLain
GLaDOS
Characters played by Stephen Castillo
Aperture Personnel
Characters played by Agnes Mayasari
Aperture Personnel
Characters played by Brett Meloy
Aperture Personnel
Characters played by Rehan Hamrani
Aperture Personnel