Ncuti Gatwa

The Doctor

Varada Sethu

Belinda Chandra

Millie Gibson

Ruby Sunday

Archie Panjabi

The Rani

Atilla Akinci

Otto Zufall

Leni Adams

Violett Zufall

Sienna-Robyn Mavanga-Phipps

Poppy

Jonah Hauer-King

Conrad Clark

Bonnie Langford

Melanie Bush

Ruth Madeley

Shirley Bingham

Jemma Redgrave

Kate Lethbridge-Stewart

Susan Twist

Susan Triad

Alexander Devrient

Colonel Christofer Ibrahim

Nila Aalia

Lakshmi Chandra

Josephine Welcome

Devika Babu

Anita Dobson

Mrs Flood

Hermon Berhane

Val Balham

Yasmin Finney

Rose Noble

Sam Lawton

Winnie Petheridge

Joshua J. Parker

Brian Dale

Michelle Greenidge

Carla Sunday

Angela Wynter

Cherry Sunday

Carole Ann Ford

Susan Foreman

Jonathan Groff

Rogue

Steph Bailey-Scott

Camp Resident

Daniel Mahoney

Camp Resident

Isla Moody

Seeker

Megan Davies

Seeker

Rosie Gibson

Seeker

Alke Schwarz

Seeker

Callum Owen

Drone Guard

Harrison Pittard

Drone Guard

Adam Bentley

Drone Guard

Matthew Doman

Drone Guard

Jodie Whittaker

The Doctor

Billie Piper

Stephanie de Whalley

Anita Benn

Aidan Cook

The Vlinx

Nicholas Briggs

Omega (voice)

Kate O'Mara

The Rani (archive footage) (uncredited)