Catherine Tate as Self - Host / Donna Noble (archive footage)

Ncuti Gatwa as The Doctor (15)

Millie Gibson as Ruby Sunday (archive footage)

Karen Gillan as Amy Pond (archive footage)

Christopher Eccleston as The Doctor (9) (archive footage)

David Tennant as The Doctor (14) (10) (archive footage)

Matt Smith as The Doctor (11) (archive footage)

Peter Capaldi as The Doctor (12) (archive footage)

Jodie Whittaker as The Doctor (13) (archive footage)

Jenna Coleman as Clara Oswald (archive footage)

Alastair King as Self - Conductor

Anita Dobson as Mrs Flood

Tobias Turley as Self - Vocalist

Lucie Jones as Self - Vocalist

Shahid Abbas Khan as Self - Vocalist

Hollie Buhagiar as Self - Vocalist

Aida Garifullina as Self - Soprano

Catherine Roe-Williams as Self - Piano

Anna Lapwood as Self - Organist

Lesley Hatfield as Self - BBC National Orchestra of Wales Leader

Paul Kasey as Self - Movement Director

Murray Gold as Self

Segun Akinola as Self

Jinkx Monsoon as Maestro

Nicholas Briggs as The Vlinx (voice) / Dalek (voice)

Russell T Davies as Self (uncredited)

Steven Moffat as Self (uncredited)

William Hartnell as The Doctor (1) (archive footage)

Patrick Troughton as The Doctor (2) (archive footage)

Jon Pertwee as The Doctor (3) (archive footage)

Tom Baker as The Doctor (4) (archive footage)

Peter Davison as The Doctor (5) (archive footage)

Colin Baker as The Doctor (6) (archive footage)

Sylvester McCoy as The Doctor (7) (archive footage)

Paul McGann as The Doctor (8) (archive footage)

John Hurt as The Doctor (War) (archive footage)

Jo Martin as The Doctor (Fugitive) (archive footage)

Richard E. Grant as The Doctor (archive footage)

Billie Piper as Rose Tyler (archive footage)

Freema Agyeman as Martha Jones (archive footage)

Arthur Darvill as Rory Williams (archive footage)

Pearl Mackie as Bill Potts (archive footage)

Mandip Gill as Yasmin Khan (archive footage)

Bradley Walsh as Graham O'Brein (archive footage)

Tosin Cole as Ryan Sinclair (archive footage)

Yasmin Finney as Rose Noble (archive footage)

Bonnie Langford as Melanie Bush (archive footage)

Jemma Redgrave as Kate Lethbridge-Stewart (archive footage)

Neil Patrick Harris as The Toymaker (archive footage)

Sacha Dhawan as The Master (archive footage)

Michelle Greenidge as Carla Sunday (archive footage)

Angela Wynter as Cherry Sunday (archive footage)

Susan Twist as Susan Triad (archive footage)

Jonathan Groff as Rogue (archive footage)

Callie Cooke as Lindy Pepper-Bean (archive footage)

Aneurin Barnard as Roger ap Gwilliam (archive footage)

Stephen Fry as C (archive footage)

Michael Gambon as Kazran Sardick (archive footage)

Katherine Jenkins as Abigail (archive footage)

Laurence Belcher as Young Kazran (archive footage)

Danny Horn as Adult Kazran (archive footage)

Alexander Devrient as Colonel Ibrahim (archive footage)

Faye McKeever as Louise Miller (archive footage)