This article is not part of the Holby universe.
This article covers a subject that is part of the real world, and thus should not be taken as a part of the Holby universe.

Susan Cookson is a British actress. She portrayed Maggie Coldwell on Casualty from 2005 to 2008 and returned for guest appearances in 2009 and 2015. Coldwell previously appeared as a recurring guest character, Julie Day, from 1998 to 2000.

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