Sylvia Marriott was an English actress.
One Hundred and One Dalmatians
as Countess (voice)
Never Say Never Again
as French Minister
The Scales of Justice
as Miss Briggs
The Vault of Horror
as Mrs. Breedley (segment 5 "Drawn and Quartered")
The Story of Adèle H.
as Mrs. Saunders
Two English Girls
as Mrs. Brown
I'll Walk Beside You
as Joan Tremayne
The Class Of Miss MacMichael
as Mrs. Wickens
The Hand of Night
as Mrs. Petty
A Dream of Love
as Catherine (uncredited)
Crimes at the Dark House
as Laurie Fairlie / Anne Catherick
The Case of The Smiling Widow
as Janet Nicholls
Return of a Stranger
as Mary
