Christopher Pike
Spock
Number One
Vina
The Keeper
Lieutenant José Tyler
Yeoman J. M. Colt
Transporter Chief Pitcairn
The Keeper (voice)
The Kaylar
First Talosian
First Talosian (voice)
Second Talosian
Dr. Theodore Haskins
C.P.O. Garrison
Second Survivor
Third Survivor
Enterprise Geologist
Orion Space Officer
Earth Trader
Anthropoid Ape / Humanoid Bird
Bridge Crewmember (uncredited)