Claire Moorsom

Writer

Biography

Claire is a screenwriter based in London. She rewrote a 4-part LA-set contemporary crime TV series for Sigma, Anonymous Content and Sonar Entertainment.

Before concentrating on screenwriting, Claire worked as a script development professional and producer for twenty years. 

Since 2013, she has worked closely with the award-winning team at Sigma Films. She has been involved on a diverse slate of projects with producers Gillian Berrie and Brian Coffey, and director David Mackenzie, including on projects for Netflix, Creative Scotland, BBC, Film 4, and eOne. Claire was closely involved in developing, amongst other projects, David Mackenzie’s historical epic OUTLAW KING; Olaf de Fleur Johannesson’s supernatural MALEVOLENT; as well as the upcoming buzz film, Ninian Doff’s BOYZ IN THE WOOD. Claire was also co-producer of the supernatural horror film DON’T KNOCK TWICE.   

Credits

In Development

Production Company Notes
JOCHI KHAN PROJECT
2025
Karga 7

As Episodic Writer, for documentary based on ‘Jochi Khan’, prince of the early Mongol Empire.

FELIXSTOWE
2023
World Productions

As Creator / Writer TV Series

I, GANGSTER
2022
Vertigo Films

As Creator/Writer
TV Series

CALEDONIA
2022
Highland Midgie

As Creator/Writer
TV Series

UNTITLED CRIME THRILLER Sonar Entertainment. Anonymous Content.

Writer
4 x 60’ crime TV series
Director: David Mackenzie

Film

Production Company Notes
OUTLAW KING
2018
Netflix/ Loudoun Productions Ltd

Associate Producer
Director: David Mackenzie

MALEVOLENT
2018
Netflix / Catalyst Global Media / Sigma Films / Thruline Entertainment

Executive Producer
Director: Olaf de Fleur Johannesson.

DON'T KNOCK TWICE
2016
Seymour Films / Red & Black Films / Content Media

Producer
Director: Caradog James.

HUSH
2008
Shona Films/Warp X Films. UK

Story Editor
Writer/director: Mark Tonderai

DONKEY PUNCH
2008
Warp X Films

Story Editor
Director: Olly Blackburn
Writers: Olly Blackburn and David Bloom

Television

Production Company Notes
THE GIBLET BOYS
2006
ITV

Script Editor
Original children’s live-action series
Series 1. 6 x 30′
Series 2. 7 x 30’
Writer: Nick Fisher.
Won BAFTA for Best Children’s Drama 2006

HUSTLE
2004 – 2012
Kudos Film and Television/BBC

Script Editor
6 x 60’ TV Series (3)

Claire Moorsom
Claire Moorsom
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