|Character played by: Sandy Duncan|
|SMDM||The Return of Bigfoot|
|BW||The Return of Bigfoot (Part II)|
Gillian is one of a group of Aliens, who have been living in the California mountains observing Earth for centuries.
When Nedlick's rebels break away from the main complex, Gillian is sent by Shalon to find Steve Austin, and enlist his aid. She restores his memory of what happened the year before, and helps him to discover what the rebels are doing.