Sam Murray was a Deck Sergeant aboard Red Dwarf.
As Murray materialised in the sleeping quarters, Rimmer ran into the room to speak to Kryten. When he saw Murray, he realised that he was being replaced. Murray could only smile awkwardly. (RD: Quarantine)
The Red Dwarf game Geek Chase contains a Jupiter Mining Corporation website, which reveals that Murray was a TV soap opera fan, as well as a practical joker. This took form through posts made on soap opera message boards which were designed to be viewable only from 3 AM to 8 AM UK time. One such message exists on the game's Androids website, which reads: (To be added later).
In a scene deleted from the final cut of The End, Lister placed all the crew's remains into canisters and ejected them into space. He gave a short eulogy for each person as they were jettisoned. He placed Sam Murray's ashes in the same canister as Rick Thesen, another Deck Sergeant.
The two crewmates had been in a relationship, with Lister saying that the whole crew had known how much they loved each other. He explained that this way, they could be together forever. Rimmer told him that the couple had split up, but Lister said that they were back together now. (RD: The End - Deleted Scene)