Lady Sybil is a society gossip columnist who attends the party undercover at the police's request. Her task is to observe events around the planned theft of Lady Mead's necklace, placing her alongside the police operation and providing discreet surveillance while Pete and Natacha participate in the robbery.
Jane Millican has 6 screen credits in a career dating back to 1934. Signature works include The Night of the Party, Jury's Evidence, Crime Unlimited. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.