Mariette Hartley

Actor (Zarabeth) — The Original Series

American actor, born in 1940 and later an Emmy winner, who played the exiled Zarabeth in All Our Yesterdays, the woman Spock falls for in Sarpeidon's ice age.

Mariette Hartley is an American actor, born in 1940, whose early films include Ride the High Country and Marnie. She later won an Emmy Award for a guest role in The Incredible Hulk.
In Star Trek she guest stars in All Our Yesterdays, the penultimate episode of the original series, first shown in 1969. She plays Zarabeth, a woman banished alone to the ice age of the planet Sarpeidon by a tyrant. When Spock and McCoy are thrown into her time, Spock reverts to the passions of his ancestors and falls in love with her.
Hartley worked for Gene Roddenberry again in his 1973 pilot film Genesis II.