In 1964, Dench appeared on television as Valentine Wannop in Theatre 625's adaptation of Parade's End, shown in three episodes. That same year, she made her film debut in "The Third Secret", before featuring in a small role in the Sherlock Holmes thriller "A Study in Terror" (1965) with her Nottingham Playhouse colleague John Neville. She performed again on BBC's Theatre 365 in 1966, as Terry in the four-part series Talking to a Stranger, for which she won a BAFTA for Best Actress.