Nick Frost ( Nick Frost )

Little Arthur

Jason Isaacs ( Jason Isaacs )

Matthew Macfadyen ( Matthew Macfadyen )

Rafe Spall ( Rafe Spall )

Lee Ingleby ( Lee Ingleby )

Mark Gatiss ( Mark Gatiss )

Roddy McDowel

Michael Smiley ( Michael Smiley )

Molester

Peter Serafinowicz ( Peter Serafinowicz )

Stuart Wilson ( Stuart Wilson )

Will Arnett ( Will Arnett )

(voice)

Katie Melua ( Katie Melua )

Lucy Punch ( Lucy Punch )

Daisy Haggard ( Daisy Haggard )

Emily Booth ( Emily Booth )

Featured Woman

Georgina Chapman ( Georgina Chapman )

MyAnna Buring ( MyAnna Buring )

Featured Woman

Nicola Cunningham ( Nicola Cunningham )

Simon Pegg ( Simon Pegg )

Screaming Lunatic (uncredited)