Education
Logan was educated at Johnstone High School in Johnstone, Renfrewshire, Scotland. After school, she graduated from the Royal Scottish Academy of Music and Drama with the James Bridie Gold Medal in 1977.
Logan was educated at Johnstone High School in Johnstone, Renfrewshire, Scotland. After school, she graduated from the Royal Scottish Academy of Music and Drama with the James Bridie Gold Medal in 1977.
After graduation, she joined the Dundee Repertory Theatre. She left in 1979 to work on stage in Edinburgh. She also worked regularly on Scottish television
On the British Broadcasting Corporation Scotland production, The White Bird Passes, she first met writer-director Michael Radford.
Before her recent success in Downton Abbey, Logan was most identified with the role of Lady Jane Felsham, co-starring with Ian McShane for eight years in nearly 50 episodes of Lovejoy, a comedy-drama for television She has also had a part in the 1996 Mike Leigh film Secrets & Lies.
Logan provided the broadcast voice of Ingsoc in a film version of Nineteen Eighty-Four (1984) and the Loch Ness Monster in the cartoon Freddie as F.R.O.7 (1992). She was in the radio series Coming Alive and Baggage.
She played Inspector Frost"s love interest in If Dogs Run Free, the last story in the A Touch of Frost series and marries him.
She has played Mrs Hughes, the housekeeper, in all six seasons of the period drama Downton Abbey (2010-2015).