Emilia Fox
Victoria Wood
Emma Watson
Yasmin Paige
Lucy Boynton
Richard Griffiths
Marc Warren
Lucy Cohu
Gemma Jones
Harriet Walter

Emilia Fox as Sylvia Brown
Victoria Wood as Nana
Emma Watson as Pauline Fossil
Yasmin Paige as Petrova Fossil
Lucy Boynton as Posy Fossil
Richard Griffiths as Great Uncle Matthew
Marc Warren as Mr. Simpson
Lucy Cohu as Theo Dane
Gemma Jones as Dr. Jakes
Harriet Walter as Dr. Smith
Eileen Atkins as Madame Fidolia
Heather Nicol as Winifred
Mary Stockley as Miss Jay
Teresa Churcher as Clara
Skye Bennett as Young Sylvia