|Status||Alive (possessed by SHODAN)|
|Location||Von Braun − Operations (former)|
Escape Pod 0832
|Game(s)||System Shock 2|
System Shock 3
|Voice Actor||Esra Gaffin|
Siddons and Suarez had been in contact for a while before the situation aboard the Von Braun fully deteriorated. Shortly before the Many took over the Von Braun and UNN Rickenbacker, Siddons and Suarez met aboard the Von Braun and made a plan to escape the ship together should the situation become dire.
Siddons managed to fix the final, unlaunched escape pod on the Command Deck. Separated from Suarez, she was bitten by an Annelid Arachnid on the Recreation Deck, and poisoned. Apparently, Suarez had managed to find her with help from the Resistance on that deck, and rescued her.
She is seen escaping the Von Braun with Tommy Suarez in an escape pod on the Command Deck.
After the soldier defeats the Many and SHODAN, he sends a hail message that reached the escape pod with Siddons and Suarez. Thomas decides to turn back and rendezvous with the Von Braun. However, he discovers that Siddons has somehow apparently been possessed by SHODAN. Rebecca's fate is unknown.
She is set to return in System Shock 3.
|System Shock 2 Characters|
|Ramsey Recruitment Center||Trainer|
|Engineering Deck||Juan Curtiz • Malone • Martin • Constance Sanger|
|MedSci Deck||Taz Amanpour • Erin Bloome • Grassi • Angela Loesser • James Watts|
|Hydroponics Deck||Marc Miller • Prefontaine|
|Operations Deck||Melanie Bronson • Malick • Janice Polito • Rebecca Siddons • Turnbull • Yount|
|Recreation Deck||Enrique Cortez • Alice Murdoch • Rosenberg • Frank Yang|
|Command Deck||Marie Delacroix • Anatoly Korenchkin • McKay • Myers • Norris • Wood|
|UNN Rickenbacker||Bayliss • Croker • William Diego • Thomas Suarez|
|Non-Specific||Soldier G65434-2 • XERXES 8933A/A • The Many • SHODAN • A. Bananas|