Amandla Stenberg as Leyna

George MacKay as Lutz

Abbie Cornish as Kerstin

Christopher Eccleston as Heinz

Tom Sweet as Koen

Alec Newman as Juttner

Tom Goodman-Hill as Wihelm Warner

Natasha Little as Hilda

Will Attenborough as Gunter

Ethan Rouse as Sebastian

Nicholas Lumley as Jann

Michael McKell as Gestapo Commander

Charles De'Ath as SS Kruger

Josie Walker as Kapo

Olivia Vinall as Hermine

Hermione Gulliford as SS Osterhagen

Tim Faraday as Betz

Lucy Russell as Teacher

Ciarán Owens as SS Officer

Jack Sandle as Gestapo Officer

Tomiwa Edun as American Soldier