Rex Reason
Dr. Cal Meacham
Acting
Faith Domergue
Dr. Ruth Adams
Acting
Jeff Morrow
Exeter
Acting
Lance Fuller
Brack
Acting
Robert Nichols
Joe Wilson
Acting
Russell Johnson
Steve Carlson
Acting
Douglas Spencer
The Monitor of Metaluna
Acting
Richard Deacon
Spacecraft Pilot
Acting
Regis Parton
Mutant
Acting
Karl Ludwig Lindt
Dr. Adolph Engelborg
Acting
Robert B. Williams
Webb
Acting
Coleman Francis
Express Deliveryman
Acting