Special Guest Stars Jeffrey Hunter as Captain Christopher Pike Guest Stars Susan Oliver as Vina Majel Barrett Roddenberry as Number One John Hoyt as Dr. Philip Boyce Peter Duryea as Lt. Jose Tyler Laurel Goodwin as Yeoman J. M. Colt Malachi Throne as Commodore Jose I. Mendez Adam Roarke as C.P.O. Garrison Co Starring Meg Wyllie as The Keeper Sean Kenney as Disabled Christopher Pike Hagan Beggs as Ensign Hansen