| Name | Character | Episodes |
|---|---|---|
| Laurence Olivier | King William III of Orange | 4 |
| Omar Sharif | Prince Feodor Romodanovsky | 4 |
| Christoph Eichhorn | Karl XII, King of Sweden | 4 |
| Elke Sommer | Charlotte | 4 |
| Vanessa Redgrave | Sophia | 4 |
| Ursula Andress | Athalie | 4 |
| Maximilian Schell | Peter the Great | 4 |
| Lyubov Germanova | Afrosina | 4 |
| Hanna Schygulla | Catherine Skevronskaya | 4 |
| Jeremy Kemp | Col. Patrick Gordon | 4 |
| Trevor Howard | Sir Isaac Newton | 4 |
| Mel Ferrer | Frederick | 4 |
| Lilli Palmer | Natalya | 4 |
| Renée Soutendijk | Anna Mons | 4 |
| Burkhard Heyl | Count Piper | 4 |
| Ulli Philipp | Louise | 4 |
| Heinz Weiss | Austrian Doctor | 4 |
| Günther Maria Halmer | Count Tolstoy | 4 |
| Olegar Fedoro | Boyar Lopukhin | 4 |
| Geoffrey Whitehead | Prince Vasily Golitsyn | 4 |
| Boris Shcherbakov | 4 | |
| Helmut Griem | Alexander Menshikov | 4 |
| Philip Bowen | 4 | |
| Carl Duering | 4 | |
| George Murcell | 4 | |
| Michael MacKenzie | 4 | |
| Vsevolod Larionov | Prince Sukhorukov | 4 |
| Graham McGrath | 10 Year Old Peter | 4 |
| Mike Gwilym | Shafirov | 4 |
| Walter Buschhoff | Silvestre Mons | 4 |
| Jan Niklas | Young Peter the Great | 4 |