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)
Bryony Afferson Sophie Sophie See fewer	House of Anubis (2011)
Yasmine Akram Helen Helen See fewer	Sherlock (2010)
Georgia Borne Pool Attendant Pool Attendant See fewer	Vanishing Point (III) (2013)
Jo Cameron Brown Nana Anne Nana Anne See fewer	Skyfall (2012)
Aimee Drake Young Rosie Young Rosie See fewer	There She Goes (2018)
Ellie Drake Young Rosie Young Rosie See fewer	There She Goes (2018)
Justin Edwards Barney Barney See fewer	Love & Friendship (2016)
Phil Ellis Captain Banana Crackers Captain Banana Crackers See fewer	BBC Comedy Feeds (2012)
Serena Evans Grandma Grandma See fewer	The Thin Blue Line (1995)
Oliver Gibbs Young Ben Young Ben See fewer	There She Goes (2018)
Philip Jackson Grandad John Grandad John See fewer	Brassed Off (1996)
Maya Kelly Ellie Ellie See fewer	Django (2022)
Carla Langley Lisa Lisa See fewer	Carnival Row (2019)
Nigel Planer Gandalf Gandalf See fewer	Brazil (1985)
Sarah-Jane Potts Lisa Lisa See fewer	The Magician. (2022)
Alexandra Travers Claire Claire See fewer	There She Goes (2018)
Ben Willbond Chris Chris See fewer	Your Highness (2011)