Conrad Bain
From The Dark Shadows Wiki
Conrad Bain (born February 4, 1923) played Mr. Wells in the first and eleventh episodes of the original Dark Shadows as well as two later episodes. He would later play on All In The Family's spin-off Maude staring Bea Arthur, as well as Philip Drummond on Diff'rent Strokes from 1978-1986.
He appeared in many plays including Candide, Advise & Consent, An Enemy of the People, Uncle Vanya, and On Borrowed Time.
