PROBE: The Zero Imperative

Caroline John

Dr. Elizabeth Shaw

Jon Pertwee

Dr. Jeremiah O'Kane

Сильвестр МакКой

Dr. Colin Dove

Colin Baker

Peter Russell

Марк Гэтисс

Dr. William Bruffin

Louise Jameson

Patricia Haggard

Sophie Aldred

Public Relations Officer

Linda Lusardi

Louise Bayliss

Jonathan Rigby

Cummings

Alexander Kirk

Orderly

Peter Davison

Patient One

David Terence

Daniel O'Kane / Eustace O'Kane

Nicola Fulljames

Dr. Beatrice Hearst

Patricia Merrick

Dr. Julie Gilchrist

Daniel Mills

Ghostly Child Voice