This episode actually includes FOUR actors who would later appear in Star Trek (1966); Leonard Nimoy who played Spock, Stanley Adams who would play Cyrano Jones in The Trouble with Tribbles (1967), Liam Sullivan who would play Parmen in Plato's Stepchildren (1968), and Don Eitner who would play the navigator in Charlie X (1966).
This film includes two Star Trek (1966) actors: Leonard Nimoy and Stanley Adams who plays Cyrano Jones in The Trouble with Tribbles (1967).
This film includes three Star Trek actors: Leonard Nimoy, Liam Sullivan and Stanley Adams.