The Doctor
Peter Capaldi
Nardole
Matt Lucas
Soldier
Vaughn Johseph
Grant
Justin Chatwin
Lucy
Charity Wakefield
Mr. Brock
Tomiwa Edun
Dr. Sim
Aleksandar Jovanović
Young Grant
Logan Hoffman
Teen Grant
Daniel Lorente
Reporter
Sandra Teles
Operator
Tanroh Ishida
Casting Director
Andy Pryor
Original Music Composer
Murray Gold
Writer
Steven Moffat
Executive Producer
Director
Edward Bazalgette
Brian Minchin
Production Design
Michael Pickwoad
Makeup Designer
Barbara Southcott
Director of Photography
Ashley Rowe
Producer
Peter Bennett
Editor
Adam Green
Costume Designer
Hayley Nebauer