- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
One of the Chief Physicians at Sikla Medical Facility, on Malcor III. In 2367, Nilrem attended to an injured Riker after the Riker's surveilance mission of the Melcorians went wrong. Nilrem became the facility's acting director by complying with the security minister's medically- dangerous order to revive Riker.