Cross was a guard at the Lunar Penal Colony.
He pretended to help the Doctor and Prof. Dale escape, then tried to kill them by depressurizing the airlock they were in. (DW: Frontier in Space)
Cross was a guard at the Lunar Penal Colony.
He pretended to help the Doctor and Prof. Dale escape, then tried to kill them by depressurizing the airlock they were in. (DW: Frontier in Space)