H Is for Hawk

Claire Foy

Helen

Brendan Gleeson

Dad

Lindsay Duncan

Mum

Denise Gough

Christina

Sam Spruell

Stuart

Emma Cunniffe

Mandy

Josh Dylan

James

Arty Froushan

Amar

Eden Hamilton

Young Helen

Sean Kearns

Breeder

William Chubb

Master

Miranda Bell

Master's Wife

Katy Carmichael

Professor Campbell

Kamal Simpson

Director of Studies

Garry Cooper

Charlie

Naomi Wirthner

GP

Carys Eleri

Funeral Director

Claudius Peters

Jogger

Angus Cooper

Male activist

Molly Williams

Female Heckler