<Ul> <Li> James Gregory - Dr. Tristan Adams </Li> <Li> Morgan Woodward - Dr. Simon van Gelder </Li> <Li> Marianna Hill - Lt. Helen Noel </Li> <Li> Larry Anthony - Mr. Berkley </Li> <Li> Susanne Wasson - Lethe </Li> <Li> John Arndt - First Crewman </Li> <Li> Eli Behar - Therapist </Li> <Li> Walt Davis </Li> <Li> Ed McCready - Inmate </Li> <Li> Lou Elias - Inmate Guard </Li> <Li> Eddie Paskey - Lt. Leslie </Li> <Li> Frank da Vinci - Lt. Brent </Li> <Li> Irene Sale </Li> </Ul> <Li> James Gregory - Dr. Tristan Adams </Li> <Li> Morgan Woodward - Dr. Simon van Gelder </Li> <Li> Marianna Hill - Lt. Helen Noel </Li>

Star trek episode dagger of the mind cast