Lance Guest
Alex Rogan
Pemeran
Robert Preston
Centauri
Chris Hebert
Louis Rogan
Kay E. Kuter
Enduran
Dan Mason
Lord Kril
Dan O'Herlihy
Grig
Catherine Mary Stewart
Maggie Gordon
Barbara Bosson
Jane Rogan
Norman Snow
Xur
John O'Leary
Rylan Bursar
George McDaniel
Kodan Officer
Charlene Nelson
Rylan Technician
John Maio
Friendly Alien
Robert Starr
Underling
Al Berry
Rylan Spy
Wil Wheaton
Louis' Friend
Marc Alaimo
Hitchhiker
Vernon Washington
Otis
