David Morrissey (Harry), Sally Rodgers (Alice), James Dryden (Clegg), Craig Parkinson (Inspector Fry/Doctor), Bronwyn James (Shirley), Josef Davies (Hennessy), John Hodgkinson (Albert), Tony Hirst (Bill/Guard), Simon Rouse (Arthur/Governor), Ryan Pope (Charlie/Guard), Johnny Flynn (Mooney), Andy Nyman (Syd)