Name	Known for
David Tennant Simon Simon See fewer	Fright Night (2011)
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)
Justin Edwards Barney Barney See fewer	Love & Friendship (2016)
Serena Evans Grandma Grandma See fewer	The Thin Blue Line (1995)
Jade Ewen Sam Sam See fewer	End of a Gun (2016)
Rebecca Gethings Leila Leila See fewer	The Thick of It (2005)
Joseph Harmon Jamie Jamie See fewer	High-Rise (2015)
Kojo Kamara Paramedic Paramedic See fewer	The Outlaws (2021)
Amy McAllister Miss Brett Miss Brett See fewer	Breeders (2020)
David Partridge Doctor Doctor See fewer	Young, High and Dead (2013)
Freya Perry Young Rosie Young Rosie See fewer	There She Goes (2018)
Harper Perry Young Rosie Young Rosie See fewer	There She Goes (2018)
Ben Willbond Chris Chris See fewer	Bill (I) (2015)
Jo Cameron Brown Nana Anne (uncredited) Nana Anne (uncredited) See fewer	Skyfall (2012)