| Terence Bayler |
Barrington |
| Richard Hurndall |
Doctor |
| Paul McGann |
Self |
| Tim Preece |
Codal |
| Jon Pertwee |
Doctor |
| John Simm |
Verden Fell (archive footage) |
| Wendy Padbury |
Heriot |
| Derek Jacobi |
Verden Fell (archive footage) |
| John Arnatt |
Verden Fell (archive footage) |
| David Graham |
Verden Fell (archive footage) |
| George Pravda |
Verden Fell (archive footage) |
| Kenton Moore |
Verden Fell (archive footage) |
| William Russell |
Chesterton |
| Elspet Gray |
Thalia |
| Carole Ann Ford |
Foreman |
| Richard Leech |
Hade |
| Stephen Thorne |
Azal |
| Mark Strickson |
Turlough |
| David Collings |
Vorus |
| Leonard Sachs |
Verden Fell (archive footage) |
| Philip Latham |
Verden Fell (archive footage) |
| Kevin Stoney |
Tyrum |
| George A. Cooper |
Cherub |
| Caroline John |
Liz |
| Nicholas Courtney |
Stewart |
| Milton Johns |
Verden Fell (archive footage) |
| Anneke Wills |
Polly |
| Patrick Troughton |
Doctor |
| John Breslin |
Munro |
| David Garth |
Verden Fell (archive footage) |
| David Savile |
Colonel |
| Michael Gough |
Hedin |
| Patrick Barr |
Hobson |
| Geoffrey Beevers |
Verden Fell (archive footage) |
| Lalla Ward |
Verden Fell (archive footage) |
| Dinah Sheridan |
Flavia |
| Michael Robbins |
Mace |
| Jacqueline Hill |
Verden Fell (archive footage) |
| Nicola Bryant |
Peri |
| Charles Morgan |
Usher |
| Matthew Waterhouse |
Adric |
| Elisabeth Sladen |
Jane |
| Alec Linstead |
Osgood |
| Peter Purves |
Verden Fell (archive footage) |
| Peter Pratt |
Verden Fell (archive footage) |
| Deborah Watling |
Verden Fell (archive footage) |
| Roy Purcell |
Verden Fell (archive footage) |
| Tom Baker |
Doctor |
| Wanda Moore |
Ingram |
| Peter Davison |
Doctor |
| John Bennett |
Chang |
| Janet Fielding |
Tegan |
| Richard Franklin |
Yates |
| Max Harvey |
Verden Fell (archive footage) |
| Frazer Hines |
Verden Fell (archive footage) |
| Peter Butterworth |
Monk |
| Paul Jerricho |
Verden Fell (archive footage) |
| John Wyse |
Percival |
| Colin Baker |
Sixth |
| Louise Jameson |
Leela |
| Ian Collier |
Hyde |
| Roger Delgado |
Verden Fell (archive footage) |
| Katy Manning |
Verden Fell (archive footage) |
| Mary Tamm |
Verden Fell (archive footage) |
| Anthony Ainley |
Verden Fell (archive footage) |
| Hugh Walters |
Verden Fell (archive footage) |
| William Marlowe |
Mailer |
| Eric Roberts |
Verden Fell (archive footage) |
| John Levene |
Benton |
| William Hartnell |
Doctor |