Callen Angelo (born 24th October 1939 in Canada, died 10th April 2000 in Stroud, Gloucestershire) appeared on Coronation Street intermittently between April 1967 and December 1970 as American G.I. Gary Strauss.
His other credits include roles in editions of The Wednesday Play and BBC Play of the Month along with episodes of Court Martial, The Troubleshooters and the last two episodes of the Doctor Who serial The Tenth Planet in 1966.