Name	Known for
Chloe Smyth Gemma Gemma See fewer	Borderlands (2024)
Julia Ford Liz (Gemma's Mother) Liz (Gemma's Mother) See fewer	Until I Kill You (2024)
Alexander Pownall Biscuits Biscuits See fewer	Five Children and It (2004)
Lalage Lumley Francesca Francesca See fewer	Gypsy Woman (2001)
Adam Maxwell Gemma's Dad Gemma's Dad See fewer	Best Friends (2004)
Mina Anwar Miss Mancer Miss Mancer See fewer	The Thin Blue Line (1995)
Paul Copley Gemma's Grandad Gemma's Grandad See fewer	Downton Abbey (2010)
Poppy Rogers Alice Alice See fewer	From Hell (2001)
Hannah Black Flora Flora See fewer	Best Friends (2004)
Lizzy McInnerny Karen (Alice's Mother) Karen (Alice's Mother) See fewer	Rowing with the Wind (1988)
Gordon Cameron Fergus Fergus See fewer	Waterfront Beat (1990)
Jack Blumenau Callum (Gemma's Brother) Callum (Gemma's Brother) See fewer	Best Friends (2004)
Rachel Davies Biscuits' Gran Biscuits' Gran See fewer	Doctor Who (1963)