Rimmerworld - S6-E5
Visible crew/equipment: In the cell, when Rimmer says 'What have I created?' in the next shot a boom mic can be seen at the top of the screen by the window. (00:25:50)
Rimmerworld - S6-E5
Visible crew/equipment: When Rimmer argues that they should not board the simulant ship, the shot of Lister in the foreground and Rimmer in the background shows a boom mic just above Rimmer's head. (00:04:40)
Rimmerworld - S6-E5
Visible crew/equipment: When Lister, the Cat and Kryten arrive on Rimmerworld, as the Rimmer guard steps out and says 'silence mutant' a boom mic is visible at the top of the screen. (00:21:05)
Rimmerworld - S6-E5
Visible crew/equipment: When Starbug goes through the wormhole, a boom mic shadow can be seen on the back wall next to Kryten. (00:20:20)
Answer: It's Queen Victoria, someone any Englishman would recognize, and needed no introduction.