Edward Judd

Dr. Mike Vernon

Yoko Tani

Leader of the Lystrians

Valerie Gearon

Dr. Claire Harland

Lyndon Brook

Brian Carter

Ric Young

The Lystrian

Tsai Chin

Nurse Lim

Barrie Ingham

Major Muncaster

Anthony Sharp

Lawrence Blackburn

Glyn Houston

Police Sergeant Draycott