Heidi Mumford-Yeo is a writer, producer and actress based in London, holding both Irish and British nationality.

She graduated from the University of Cambridge with a Masters degree and from Durham University with a degree in Law.

Scouted while she was at university, Heidi worked as a fashion model, appearing in television commercials and London Fashion Week before traning as an actress in London.

In early 2019, Heidi created & wrote her debut television drama series, Tell Me Why, which was optioned by Beyond Entertainment. Now a feature film, Tell Me Why is in pre-production with Goldspin Films with BAFTA and EMMY nominated director, Ursula Macfarlane attached.

Working across film and literature, she develops original narratives concerned with identity, legacy and the tension between private lives and cultural mythology. Her work explores emotional and psychological complexity through intimate, character-led storytelling.

Acting-wise, she has worked in the West End, with lead roles in independent feature films, shorts, and television commercials. One feature film, 'Porichoi,'’ required her to learn part of the script in Bengali alongside Indian superstar Prosenjit Chatterjee.

“In both acting and writing, I’m drawn to challenges and the chance to invert stereotypes. I gravitate toward characters who resist being conventionalised — outliers, you could say. I push back against preconceptions and reductive thinking; I don’t see people as absolutes. That kind of rigidity is both dangerous and creatively limiting.”

Heidi lives in London with her husband & two dogs, Indiana Jones and Freddy.

She is a full member of the Writers Guild of Great Britain, Women in TV & Film & Equity.

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