 Guest performers included Nicholas Ball who played the simulant and James Smilie who voiced the Justice Computer.Florence Nightingale is referenced by Lister when he comments that Kryten has been "like Florence Nightingdroid" looking after him while he had space mumps.Lister thinks that he could disguise himself with a turban and say he's from India, whereas the Cat replies saying he could paint orange and black stripes on the side and tell her you play quarterback for the Bengals.