Daryl Sabara

Chips

James D'Arcy

Eric Zimit

Rhys Wakefield

James

Hope Olaidé Wilson

Omosedé

Erin Moriarty

Vivian

George Blagden

Andy

Sophie Lowe

Petra

Bonnie Wright

Georgina

Abhi Sinha

Kavi

Freddie Stroma

Jack

Katie Findlay

Bonnie

Jacob Artist

Parker

Maia Mitchell

Beatrice

Philippa Coulthard

Poppie

Toby Sebastian

Russell

Melissa Le-Vu

Plum

Darius Homayoun

Toby

Chanelle Bianca Ho

Mitzi

Taser Hassan

Nelson

Natasha Gott

Yoshiko

Asger Mariager

Young James (Age 7)

James Moriarty

Young James (Age 12)

Chamroeun Bustraan

Young James (Age 16)

Julia Hodges

Best Friend on Tower

John Huddles

Writer