Name	Known for
David Tennant Simon Simon See fewer	Doctor Who (2005)
Jessica Hynes Emily Emily See fewer	Shaun of the Dead (2004)
Miley Locke Rosie Rosie See fewer	The Royals (2015)
Edan Hayhurst Ben Ben See fewer	The Midnight Sky (2020)
Yasmine Akram Helen Helen See fewer	Sherlock (2010)
Cassie Bancroft Teacher Teacher See fewer	Villain (I) (2020)
Lois Chimimba Waitress Waitress See fewer	The One (I) (2021)
Justin Edwards Barney Barney See fewer	Love & Friendship (2016)
Serena Evans Grandma Grandma See fewer	The Thin Blue Line (1995)
Oliver Gibbs Young Ben Young Ben See fewer	There She Goes (2018)
Joseph Harmon Jamie Jamie See fewer	High-Rise (2015)
Maya Kelly Ellie Ellie See fewer	Django (2022)
Nigel Planer Gandalf Gandalf See fewer	Brazil (1985)
Ben Willbond Chris Chris See fewer	Your Highness (2011)
Jo Cameron Brown Nana Anne (uncredited) Nana Anne (uncredited) See fewer	Skyfall (2012)
Monika Fejglová Chris's Wife (uncredited) Chris's Wife (uncredited) See fewer	Somewhere Only We Know (2015)