 In 1964/1965, he had the recurring role of uptight crewman Casey Clark on "Voyage to the Bottom of the Sea".In 1965, Carr played Lt. Lee Kelso, the USS "Enterprise" helmsman in the second "" pilot episode, "Where No Man Has Gone Before".The episode finally aired, out of sequence in terms of new episodes produced, early in the first season of "Star Trek" in the autumn of 1966.