Education
Bristol Old Vic Theatre School.
Bristol Old Vic Theatre School.
Haddington trained at the Bristol Old Vic Theatre School from 1975-1977. She appeared as Professor Docherty in the third season finale of Doctor Who entitled "Last of the Time Lords". Haddington"s other television credits include Life Begins, Foyle"s War as Hilda Pierce, A&East, Cracker, Holby City, Wire in the Blood, Coronation Street, Midsomer Murders, The Musketeers, and The Bill in which she played two different roles, the first in 1997 and the second in 2007.
On stage, she most recently appeared in Bingo at the Chichester Festival Theatre and the Young Victoria
In 2011 and 2013 she appeared as Carol Porter in the Sky1 comedy series The Café. In 2015, she played Gina Corbin in Ordinary Lies and Fanny Biggetywitch in Dickensian (television series).