The fugitives find a man stumbling around freezing to death even though the weather is warm. They take him home to a ruined city where the rest of his kind live. They turn out to be aliens from a planet much hotter than Earth and they start to disassemble Rem for his circuits so that they can complete a matter transporter that will bring their army to conquer our planet.
- Eddie Firestone as Timon He often played the villain on Gunsmoke and can be seen in Bonanza and other TV westerns. He was also on Buck Rogers ("Return of the Fighting 69th") and Galactica 1980 (the pilot) and Knight Rider which appears to have been the last thing he did back in 1982.
- Paul Carr as Morah Most noted for his role in Star Trek as Lt. Kelso in "Where No Man Has Gone Before", he also did a lot of other sci-fi roles. He played Lt. Devlin in Buck Rogers in 1979 and can be seen in at least three episodes of that show. He also had a minor role during the 1965-67 seasons of Voyage to the Bottom of the Sea. Like most people on Logan's Run, he also worked on Wonder Woman and The Amazing Spiderman.
- Darrel Fetty as Pata Not in too many roles. He was in an episode of Happy Days, an episode of Kojak, and several episodes of Barnaby Jones. More recently he appears to have been a producer on the series Viper and then went on to be a writer for Hercules, and then later Mutant X. You can also see him in the offbeat movie Blood Beach playing Hoagy.
- Ian Tanza as Arcana. This person has really done nothing else related to sci-fi. His most recent apearance was ona a USA show called Money $hot in 2000 where he played Frank Czarnik.