Guest stars have included Graham Fellows (as Dr Persil), Sean Lock (as Natalie/Nathaniel, Brian's trans-gendered partner), Mark Radcliff, Jason Manford (as Jack), Mark E. Smith (as Jesus Christ), Paul Weller, Kara Tointon, Barry Adamson (as Brian's hit-man boyfriend), Alan Yentob (as himself) and Rula Lenska (as the Red King).