Invasion

Dr. Mike Vernon

Leader of the Lystrians

Dr. Claire Harland

Brian Carter

The Lystrian

Nurse Lim

Major Muncaster

Lawrence Blackburn

Police Sergeant Draycott

Sister Evans

Barbara Gough

Sister Kelly

Ted

Harry

Morgan

Sergeant Williams

Lloyd

Elaine

Lorry Driver

Old Joe

Telephone Operator

Dundy