Voice actors

Here is a list of Portal and Portal 2's voice actors.

Voice Actor	Character(s)
Ellen McLain	GLaDOS Sentry Turrets Oracle Turret Curiosity Core Intelligence Core Caroline
Mike Patton	Anger Core
Stephen Merchant	Wheatley
J. K. Simmons	Cave Johnson
Joe Micheals	Announcer
Nolan North	Space Sphere Adventure Sphere Fact Sphere Defective Turrets
Dee Bradley Baker	Atlas P-Body