- Kammy Darweish - Ardashir
- Charlie Creed-Miles - Ryan Topps
- Nina Wadia - Neena
- Rhys Bond - Reporter
- San Shella - Young Samad
- Bryan Dick - Young Archie
- David Langham - Young Devil of Dachau
- James McAvoy - Josh Malfen
- Sophie Winkleman - Joely
- Rufus Jones - Crispin
- Daniel Tuite - Paddy
- Chu Omambala - Brother Ibrahim
- Maggie O'Neill - Poppy
- Lucy Jules - Ambrosia
- Russell Brand - Merlin
- Charles Collingwood - Sir Edmund
- Paul Bhattacharjee - Bahadur Khan
- Julian Barratt - Aide de Camp
- Sonnell Dadral - Hifan
- Annie Cooper - Karina
- Joy McBrinn - Racist Neighbour
- Sam Smart - Car Salesman
- John Simm - Mr. Hero
- Ian Thompson - Headmaster
- Nasser Memarzia - Alim
- Medina Aijikawo - Denise
- Ryan Nelson - Dweeb
- Ruth Lass - Ms. Miniver
- Joe Starrs - Josh
- Richard Butler - Mr. Hamilton
- Vernon Dobtcheff - Devil of Dachau
- Alastair Parker - Policeman
- Damian Brooke - Drunk in doorway
- Jeanie Gold - Homeless Woman
- Anne Devlin - Hairdresser
- Andrew Hasley - Hippy at the end of the world 1974 party (uncredited)
- Steve Sweeney - Lager Lad/Neighbour
- Christopher Simpson - Magid/Millat
- Christopher Simpson - Magid / Millat
- Gail Stevens
- George Faber
- Charles Pattinson
- Suzan Harrison
- Rebecca Eaton
- Nicolas Brown
- Rudi Buckle
- Gianluca Buttari
- Adrian Johnston
James McAvoy interpreta a Josh Malfen en la serie.
Russell Brand hace el papel de Merlin.
Capítulo disponible en las siguientes plataformas:
