Andy Van Allen
Rob Brydon
Nick Lee
Steve Coogan
Vivienne
Robin Weaver
Daniel
Daniel Cerqueira
Neil
Matt Whitelock
Billy's Time Bike Fan
Julian Field
Captain Koulouris
Arturo Venegas
Mrs Hatcher
Di Botcher
'Casualty' Doctor
Gray O'Brien
Gemma Clay
Lisa McNaught
Mickey
Gavan O'Herlihy
PA Romy
Shelley Blond
Jeff Monks
David Walliams
Jim Schneider
Tom Alexopoulos
Castor Voice Over
Paul Mark Elliott
Lloyd
Jake Broder
Woolly Hat Fan
Russell Brand
Photographer
Vasilis Panayi
One-eyed Child
Cole Borris
Jack Jones Fan
Dallas Messias
Pool 'Castormind' Fan
Andrew McHale
'Watson'
Ugo Mazin
'Ponytailed Scumbag'
Ian Robertson
Russell
James Corden
Child of Castor
Lisa Wood
Hugh Bispham
Philip Jackson
Graham Ball
Niall Buggy
Jenny
Helen Coker
Yasmina
Rachel Shelley
Himself
Jack Jones
Brian Conley
Writer
Michael Marshall Smith
Executive Producer
Henry Normal
Director
Declan Lowney
Editor
Chris Dickens
Peter Baynham
Tim Firth
Associate Producer
Music
Corrie Fraser
Producer
Alison MacPhail
Mykael S. Riley
Cinematography
Francis De Groote