The Doctor

Peter Capaldi

Acting

Nardole

Matt Lucas

Acting

Grant

Justin Chatwin

Acting

Lucy

Charity Wakefield

Acting

Mr. Brock

Tomiwa Edun

Acting

Dr. Sim

Aleksandar Jovanović

Acting

Young Grant

Logan Hoffman

Acting

Teen Grant

Daniel Lorente

Acting

Reporter

Sandra Teles

Acting

Operator

Tanroh Ishida

Acting

Soldier

Vaughn Johseph

Acting