Daniel Mays
Peter Wildeblood

Richard Gadd
Eddie McNally

Mark Gatiss
Dr. Landers

Charlie Creed-Miles
Superintendent Jones

Richard Dillane
Prosecutor Roberts

Paul Keating
Fanny

Mark Edel-Hunt
Edward Montagu

David Robb
Lord Wolfenden

Josh Collins
Michael Pitt-Rivers

Daniel Betts
Defense Rawlinson

Timothy Watson
Clerk of Assize

Barney White
Dan Starling

James Gaddas
Governor Cockayne

Claire Bond
Iris

Matthew Canny
John Reynolds

Mark Holgate
Tony

David Watson
Radio Announcer (voice)