Catherine Tate

Character: Self - Host / Donna Noble (archive footage)

Ncuti Gatwa

Character: The Doctor (15)

Millie Gibson

Character: Ruby Sunday (archive footage)

Karen Gillan

Character: Amy Pond (archive footage)

Christopher Eccleston

Character: The Doctor (9) (archive footage)

David Tennant

Character: The Doctor (14) (10) (archive footage)

Matt Smith

Character: The Doctor (11) (archive footage)

Peter Capaldi

Character: The Doctor (12) (archive footage)

Jodie Whittaker

Character: The Doctor (13) (archive footage)

Jenna Coleman

Character: Clara Oswald (archive footage)

Alastair King

Character: Self - Conductor

Anita Dobson

Character: Mrs Flood

Tobias Turley

Character: Self - Vocalist

Lucie Jones

Character: Self - Vocalist

Shahid Abbas Khan

Character: Self - Vocalist

Hollie Buhagiar

Character: Self - Vocalist

Aida Garifullina

Character: Self - Soprano

Catherine Roe-Williams

Character: Self - Piano

Anna Lapwood

Character: Self - Organist

Lesley Hatfield

Character: Self - BBC National Orchestra of Wales Leader

Paul Kasey

Character: Self - Movement Director

Murray Gold

Character: Self

Segun Akinola

Character: Self

Jinkx Monsoon

Character: Maestro

Nicholas Briggs

Character: The Vlinx (voice) / Dalek (voice)

Russell T Davies

Character: Self (uncredited)

Steven Moffat

Character: Self (uncredited)

William Hartnell

Character: The Doctor (1) (archive footage)

Patrick Troughton

Character: The Doctor (2) (archive footage)

Jon Pertwee

Character: The Doctor (3) (archive footage)

Tom Baker

Character: The Doctor (4) (archive footage)

Peter Davison

Character: The Doctor (5) (archive footage)

Colin Baker

Character: The Doctor (6) (archive footage)

Sylvester McCoy

Character: The Doctor (7) (archive footage)

Paul McGann

Character: The Doctor (8) (archive footage)

John Hurt

Character: The Doctor (War) (archive footage)

Jo Martin

Character: The Doctor (Fugitive) (archive footage)

Richard E. Grant

Character: The Doctor (archive footage)

Billie Piper

Character: Rose Tyler (archive footage)

Freema Agyeman

Character: Martha Jones (archive footage)

Arthur Darvill

Character: Rory Williams (archive footage)

Pearl Mackie

Character: Bill Potts (archive footage)

Mandip Gill

Character: Yasmin Khan (archive footage)

Bradley Walsh

Character: Graham O'Brein (archive footage)

Tosin Cole

Character: Ryan Sinclair (archive footage)

Yasmin Finney

Character: Rose Noble (archive footage)

Bonnie Langford

Character: Melanie Bush (archive footage)

Jemma Redgrave

Character: Kate Lethbridge-Stewart (archive footage)

Neil Patrick Harris

Character: The Toymaker (archive footage)

Sacha Dhawan

Character: The Master (archive footage)

Michelle Greenidge

Character: Carla Sunday (archive footage)

Angela Wynter

Character: Cherry Sunday (archive footage)

Susan Twist

Character: Susan Triad (archive footage)

Jonathan Groff

Character: Rogue (archive footage)

Callie Cooke

Character: Lindy Pepper-Bean (archive footage)

Aneurin Barnard

Character: Roger ap Gwilliam (archive footage)

Stephen Fry

Character: C (archive footage)

Michael Gambon

Character: Kazran Sardick (archive footage)

Katherine Jenkins

Character: Abigail (archive footage)

Laurence Belcher

Character: Young Kazran (archive footage)

Danny Horn

Character: Adult Kazran (archive footage)

Alexander Devrient

Character: Colonel Ibrahim (archive footage)

Faye McKeever

Character: Louise Miller (archive footage)