PROBE: Unnatural Selection

Caroline John

— Dr. Elizabeth Shaw

Louise Jameson

— Patricia Haggard

Charles Kay

— Julius Quilter

Mark Gatiss

— Mr. Emerson

Geoffrey Beevers

— Right Hon. Brian Rutherford

Simon Wolfe

— Dennis Lancaster

Kathryn Rayner

— Angela

Alexander Kirk

— Colonel Ackroyd

Patricia Merrick

— Dr. Julie Gilchrist

Jonathan Rigby

— Cummings

Gabriel Mykaj

— Soldier

Stephen Bradshaw

— Soldier