Ethan Peck. Actor: In Time - Deine Zeit läuft ab. Ethan Gregory Peck is an American actor. He is the grandson of actor Gregory Peck and Greta Kukkonen, Peck's first wife. In 2019, he played a young Spock in Star Trek: Discovery, a role he has reprised for the television series Star Trek: Strange New Worlds. Peck had many television appearances as a young actor, including a younger Michael Kelso (played...