One of his best known roles was that of Captain John Christopher in NBC's Star Trek episode "Tomorrow Is Yesterday".
After Science Officer Spock later discovers that the pilot's own as-yet-unborn son will play an important role in a future space mission to Saturn, Kirk realizes he must return Christopher to Earth without any knowledge of Enterprise or other future events.
The Tomorrow People | The Day After Tomorrow | Search for Tomorrow | Tomorrow's World | Tomorrow Never Dies | All Tomorrow's Parties | High School for Public Service: Heroes of Tomorrow | Sky Captain and the World of Tomorrow | Yesterday | Troops of Tomorrow | Tomorrow Never Knows | Please Tomorrow | Born Yesterday | All Tomorrow's Parties (music festival) | A Better Tomorrow | Yester-Me, Yester-You, Yesterday | Tales of Tomorrow | It's So Hard to Say Goodbye to Yesterday | Here Today – Gone Tomorrow | From Yesterday | Face Tomorrow | Tune in Tomorrow | Tomorrow's Eve (band) | Tomorrow's Eve | Tomorrow | The World of Yesterday | Search For Tomorrow | No Tomorrow | It Happened Tomorrow | For Tomorrow |