Phoenix Laroche

William

Alex Lawther

Velveteen Rabbit (voice)

Samantha Colley

Mother

Leonard Buckley

Father

Tilly Vosburgh

Mary 'Momo'

Helena Bonham Carter

Wise Horse (voice)

Lois Chimimba

Car (voice)

Paterson Joseph

King (voice)

Clive Rowe

Lion (voice)

Ellie Mejia

Miss Forrester

Conor Hamill

William's Friend

Paul Sparkes

Removal Man