Peter Capaldi
The Doctor
Matt Lucas
Nardole
Justin Chatwin
Grant
Charity Wakefield
Lucy
Tomiwa Edun
Mr. Brock
Aleksandar Jovanović
Dr. Sim
Sandra Teles
Reporter
Tanroh Ishida
Operator
Logan Hoffman
Young Grant
Daniel Lorente
Teen Grant
Vaughn Johseph
Soldier
