A list of Quadra Sigma III personnel.
Female survivor
She was one of only nine survivors of the gas explosion on Quadra Sigma III. She was treated with a hypospray by Doctor Beverly Crusher. (TNG: "Hide and Q")
The female survivor was played by Elaine Nalee.
Survivors
The other eight remaining survivors of the colony, three women, four men and a boy. (TNG: "Hide and Q")
Dead girl
This girl died shortly before the away team of the USS Enterprise-D arrived. (TNG: "Hide and Q")