- "I understood in that moment what the emptiness meant. This wasn't just about avenging Jack. No, this was bigger than me. So I traveled back to America. To fight the Nazis once again. Maybe I was heading towards certain death, but Agent Silent Death would not go quietly into the night."
- ―Agent Silent Death in the last cutscene.[src]
Jessica "Silent Death" Valiant is the protagonist of Curtis Everton's comic book The Diaries of Agent Silent Death, part of The Freedom Chronicles series. A former OSS agent who escaped the Nazi occupation of the United States, she returned to America on a mission to kill three Nazis who killed her husband.
(The following events are depicted within the Freedom Chronicles which exist as works of fiction within the Wolfenstein setting; their veracity in the actual timeline is questionable at best.)
The Valiants were legends in Allied intelligence, well known for their feats in making the Nazis' lives miserable. However, after Jack was captured by the Nazis thanks to the work of treacherous OSA agent Chuck Lorentz, Jessica decided to live a life of a carefree hedonism in Sao Paolo, Brazil.
After years of drowning her sorrows in alcohol and casual sex, Jessica would be drawn back into her former lifestyle when a letter arrived from an enigmatic party known only as the Crimson Bulldog, containing information on the three Nazis responsible for her husband's death.
Her quest completed, she returned to her secluded life until the Crimson Bulldog called her again to fight in the Second American Revolution. She is last seen preparing to snipe a Nazi officer during a battle in an unspecified city.
After her husband's death, Jessica became dependent on alcohol to drown her sorrows away. Once getting the names and locations of the murderers of Jack, she became determined and resilient, leading to the three to worry of their deaths. Hans Stiglitz had an nightmare about her killing him as Chuck Lorentz and Gerhardt Dunkel hid behind their men to stay safe.
Years of intense training in the OSS enables Jessica to contort her body in ways an average person could never achieve, allowing her to fit through the tightest spaces even without the use of a Constrictor Harness.
She possesses significant upper body strength, being able to cut a man's arm off or smash up ÜberSoldat robots with a single swing of a knife or lift and carry heavy weapons such as the Lasergewehr which normally had to be fixed on a stationary mount or carried by Super Soldiers. However her strength, while arguably superhuman, is not comparable to that of other protagonists in the Freedom Chronicles.
- Jessica shares many character traits with Chloe Frazer from the Uncharted series, possibly as a gag based on the two having the same voice actor.