26 April 1965
|Spouse(s)||Iain Glen (1993–2004; divorced)|
|Partner(s)||Paul McGann (2006–2008)|
Harker and her younger sister, Caroline (also an actress on stage and screen), were brought up Catholic and educated at a "strict" independent convent boarding school run by nuns in Sussex, and at the Central School of Speech and Drama in North London.
Harker has acted in both contemporary and classic works, on stage, in movies and in TV series. In 1990-91 she appeared alongside Clive Owen in Chancer. She later played Dinah Morris in the 1991 adaptation of Adam Bede. She starred as Jane Bennet in the 1995 TV adaptation of Jane Austen's Pride and Prejudice. She is featured as Emma Fitzgerald, Superintendent Tyburn's (Trevor Eve) love interest in the BBC TV series, Heat of the Sun (1998). She appeared in the play, On the Shore of the Wide World.
She played Sapphire in Big Finish Productions' audio revival of Sapphire & Steel, in three series of plays released on CD between 2005 and 2008. In 2003 she played Clare Keightley in the audio version of the Doctor Who adventure Shada, alongside Paul McGann. In December 2011 Harker appeared in the BBC drama Young James Herriot.
During early 2014 she starred in the Gate Theatre, Dublin production of The Vortex by Noël Coward. In 2015, she played Miss Ella Rentheim in a BBC Radio 4 production of Ibsen's John Gabriel Borkman.
|1985||Burke & Wills||Bessie Wills|
|1987||White Mischief||Young girl|
|1987||The Lady's Not for Burning||Alizon Eliot|
|1989||A Dry White Season||Suzette du Toit|
|1991||The Crucifer of Blood||Irene St. Claire|
|2001||Intimacy||Susan, Jay's wife|
|2007||Always Crashing in the Same Car||Mary Booth||Short|
|2008||The Calling||Sister Ambrose|
|1988||The Fear||Linda||5 episodes|
|1990-1991||Chancer||Joanna Franklyn||14 episodes|
|1990||House of Cards||Mattie Storin||4 episodes, TV mini-series|
|1991||Adam Bede||Dinah Morris|
|1994||The Adventures of Sherlock Holmes (TV series)||Adelaide Savage||1 episode, The Dying Detective|
|1994||Faith||Holly Moreton||4 episodes, TV mini-series|
|1995||Pride and Prejudice||Jane Bennet||6 episodes|
|1998||Heat of the Sun||Emma Fitzgerald||3 episodes, TV mini-series|
|1998||Ultraviolet||Dr Angela March||6 episodes, TV mini-series|
|2001||Murder in Mind||Barbara Davie|
|2002||Waking the Dead||Clare Delaney||2 episodes|
|2006||Perfect Parents||Alison||TV movie|
|2009||Midsomer Murders||Matilda Simms|
|2010||Moving On||Anne||1 episode, Sauce for the Goose|
|2011||Young James Herriot||Lady Verity Muirhead||1 episode, TV mini-series|
|2012||New Tricks||Elizabeth Clayton||1 episode, Old School Ties|
- Susannah Harker BBC Drama, April 2007
- Young James Herriot - Gainful Employment BBC One; accessed 6 January 2016.
- Kellaway, Kate (11 March 2012). "Abigail's Party – review". The Guardian (London: GMG). ISSN 0261-3077. OCLC 60623878. Retrieved 23 August 2012.
- "BBC Radio 4 - Drama, John Gabriel Borkman, Episode 1". Retrieved 14 March 2015.
- May, Dominic (6 December 2006). "Beyond the TARDIS – McGann and Harker". Doctor Who Magazine (376): 7.