David Tennant

The Doctor

Lindsay Duncan

Captain Adelaide Brooke

Peter O'Brien

Ed Gold

Sharon Duncan-Brewster

Maggie Cain

Gemma Chan

Mia Bennett

Aleksandar Mikic

Yuri Kerenski

Michael Goldsmith

Roman Groom

Cosima Shaw

Steffi Ehrlich

Joplin Sibtain

Tarak Ital

Alan Ruscoe

Andy Stone

Lily Bevan

Emily

Max Bollinger

Mikhail

Charles De'Ath

Adelaide's Father

Rachel Fewell

Young Adelaide

Anouska Strahnz

Ulrika Ehrlich

Zofia Strahnz

Lisette Ehrlich

Paul Kasey

Ood Sigma