|Place of origin:||Earth|
|Appearance:||The Ambassadors of Death|
|Main actor:||Ray Armstrong|
He helped the General captrue Mars Probe 7, but he and the General were pinned onto Bessie by the Third Doctor, allowing the Doctor to take the Mars Probe to Space Control. (TV: The Ambassadors of Death)
Behind the scenes Edit
Grey is never named in on-screen dialogue; he is only named in the closing credits.