Name	Known for
Gary Oldman Jackson Lamb Jackson Lamb See fewer	Tinker Tailor Soldier Spy (2011)
Jack Lowden River Cartwright River Cartwright See fewer	Small Axe (2020)
Kristin Scott Thomas Diana Taverner Diana Taverner See fewer	Gosford Park (2001)
Saskia Reeves Catherine Standish Catherine Standish See fewer	Luther (2010)
Rosalind Eleazar Louisa Guy Louisa Guy See fewer	Slow Horses (2022)
Christopher Chung Roddy Ho Roddy Ho See fewer	Slow Horses (2022)
Aimee-Ffion Edwards Shirley Dander Shirley Dander See fewer	Slow Horses (2022)
Nick Mohammed Mayor Zafar Jaffrey Mayor Zafar Jaffrey See fewer	The Martian (2015)
Christopher Villiers Dennis Gimball Dennis Gimball See fewer	Top Secret! (1984)
Ruth Bradley Emma Flyte Emma Flyte See fewer	Slow Horses (2022)
Tom Brooke JK Coe JK Coe See fewer	Empire of Light (2022)
Cherrelle Skeete Devon Welles Devon Welles See fewer	Hanna (2019)
James Callis Claude Whelan Claude Whelan See fewer	Slow Horses (2022)
Abraham Popoola Tyson Bowman Tyson Bowman See fewer	The Great (2020)
Victoria Hamilton Dodie Gimball Dodie Gimball See fewer	Mansfield Park (1999)
Hiba Bennani Tara Tara See fewer	Ghosts of Beirut (2023)
Neil D'Souza Vikram Vikram See fewer	In the Long Run (2017)
Edward Davis Rob Trew Rob Trew See fewer	Dune: Prophecy (2024)
Sophie Duval Sheila Sheila See fewer	Official Secrets (2019)
Yusuf Chaudhri Assassin Assassin See fewer	Black Widow (2021)
Dallas Campbell Newsreader Newsreader See fewer	No Deposit, No Return (2004)
Sunny Dhillon Welsh Dog Welsh Dog See fewer	Slow Horses (2022)
Colin Hoult Phil Phil See fewer	After Life (2019)
Christian Bradley Agent Jim Agent Jim See fewer	Slow Horses (2022)
Krishnan Guru-Murthy Debate Moderator Debate Moderator See fewer	Shaun of the Dead (2004)
Jono Grant DJ DJ See fewer	How to Be Single (2016)