Cast Credits Star Trek (1966) Guest starring as Tyree Episode 2x19: A Private Little War (Feb 2, 1968) Gilligan's Island (1964) Guest starring as Johnny Episode 2x15: Erika Tiffany Smith to the Rescue (Dec 30, 1965) Rawhide (1959) Guest starring as Lt. Cass Episode 7x19: Blood Harvest (Feb 12, 1965) [Co-Star]