David Tennant

The Doctor

Michelle Ryan

Christina

Lee Evans

Malcolm

Noma Dumezweni

Capt Magambo

Adam James

DI McMillan

GL

Glenn Doherty

Sgt Dennison

Victoria Alcock

Angela

Daniel Kaluuya

Barclay

Ellen Thomas

Carmen

David Ames

Nathan

RE

Reginald Tsiboe

Lou

JA

James Layton

Sgt Ian Jenner