Commander Ed Straker
The leader of SHADO. Straker is estranged from his wife, Mary, and their son, Johnny.
Colonel Alec Freeman
Second in command at SHADO.
Colonel Paul Foster
A test pilot recruited by SHADO when he discovers their work during a UFO
incident.
Captain Peter Carlin
Pilots the SHADO interceptor Skydiver One. His sister was abducted by aliens.
Lieutenant Gay
Ellis
Commander of SHADO's Moonbase.