Martin Hutson as Peter Wildeblood

Sam Heughan as Edward McNally

Orlando Wells as Lord Montagu

Karl Davies as John Reynolds

Steven Mackintosh as Narrator (voice)

Nicholas Le Prevost as John Wolfenden

Harriet Eastcott as Mary Cohen

Barny Clevely as Goronwy Rees

Roger Barclay as Stan

Eric Carte as Lord Hailsham

William Chubb as Chief Constable

Richard Lintern as Peter Rawlinson

Roger Ashton-Griffiths as 'Khaki' Roberts

Kevin Colson as Judge Ormerod

Susan Jameson as Mrs Wildeblood

Darrell D'Silva as Superintendent Jones

Lord Montagu of Beaulieu as Self

Joe Murray as Sergeant McCreadie