Characters played by David Boat
Max
Characters played by David Eddings
Claptrap
Characters played by Roger Jackson
Reginald Van Winslow
Characters played by Ellen McLain
GlaDOS
Characters played by Mike Neumann
Steve
Characters played by Nolan North
Fact Core
Characters played by David Nowlin
Sam
Characters played by Patrick Warburton
Brock Samson
Characters played by Danny Webber
Ash