Invasion

Edward Judd

as Dr. Mike Vernon

Yoko Tani

as Leader of the Lystrians

Valerie Gearon

as Dr. Claire Harland

Lyndon Brook

as Brian Carter

Ric Young

as The Lystrian

Tsai Chin

as Nurse Lim

Barrie Ingham

as Major Muncaster

Anthony Sharp

as Lawrence Blackburn

Glyn Houston

as Police Sergeant Draycott

Ann Castle

as Sister Evans

Jean Lodge

as Barbara Gough

Ann Martin

as Sister Kelly

Tony Wall

as Ted

Peter Thomas

as Harry

Mark Kingston

as Morgan

Emrys Leyshon

as Sergeant Williams

Leonard Cracknell

as Lloyd

Stephanie Bidmead

as Elaine

Norman Mitchell

as Lorry Driver

Peter Sinclair

as Old Joe

Diane Aubrey

as Telephone Operator

John Tate

as Dundy