Ed Bishop

Cmdr. Ed Straker, Cmdr. Straker

Michael Billington

Col. Paul Foster, Col. Foster, Paul Foster

Ayshea Brough

SHADO Operative, Moonbase Operative, Radio Operative

George Sewell

Col. Freeman, Col. Alec Freeman, Alec Freeman

Keith Alexander

Shado Radio Operator, Lt. Ford, Lt. Keith Ford

Antonia Ellis

Joan Harrington

Gabrielle Drake

Lt. Ellis, Lt. Gay Ellis

Vladek Sheybal

Dr. Doug Jackson, Jackson

Wanda Ventham

Col. Virginia Lake