Invasion: UFO

Ed Bishop

Cmdr. Ed Straker

George Sewell

Col. Alec Freeman

Michael Billington

Col. Paul Foster

Wanda Ventham

Col. Virginia Lake

Vladek Sheybal

Dr. Doug Jackson

Derren Nesbitt

Craig Collins

David Warbeck

Skydive Commander

Shane Rimmer

Lt. Bill Johnson / Alien / CIA Agent

Deborah Grant

Linda Simmonds

Patrick Allen

Turner