Steve Coogan as John Weber

Andrea Riseborough as Kathleen Marais

Garion Dowds as Leon Labuschagne

Marcel Van Heerden as Justice J. P. van Zyl

Deon Lotz as Warrant Officer Rautenbach

Eduan van Jaarsveldt as Pedrie Wierda

Lauren Steyn as Liesl Weber

Robert Hobbs as Pierre De Villiers

Inge Beckmann as John's Sister

Brett Williams as Tennis partner

Carel Nel as Karel Niemand

De Klerk Oelofse as Eben Christiaan Coetzee

Rob van Vuuren as Prison Medical Officer

Matthew Dylan Roberts as Investigation Officer (as Matthew Roberts)

Mbulelo Grootboom as Condemned Man

Nicola Hanekom as Dr. Schlebusch