 | David McCallum | ... | Flight Lt. Simon Carter (Episodes, 1972-1974) |
| Richard Heffer | ... | Capt. Tim Downing (Episodes, 1972-1974) |
| Bernard Hepton | ... | Kommandant (Episodes, 1972-1974) |
| Paul Chapman | ... | Capt. George Brent (Episodes, 1972-1974) |
| Jack Hedley | ... | Lt. Col. John Preston (Episodes, 1972-1974) |
| Hans Meyer | ... | Hauptman Franz Ulmann (Episodes, 1972-1974) |
| Christopher Neame | ... | Lt. Dick Player (Episodes, 1972-1974) |
| Robert Wagner | ... | Flight Lt. Phil Carrington / ... (Episodes, 1972-1974) |
| Edward Hardwicke | ... | Capt. Pat Grant (Episodes, 1972-1973) |
| Anthony Valentine | ... | Major Horst Mohn (Episodes, 1974) |
| Peter Penry-Jones | ... | P.O. Peter Muir (Episodes, 1972-1973) |
| Dan O'Herlihy | ... | Lt. Col. Max Dodd (Episodes, 1974) |
| Nicholas McArdle | ... | Capt. Richard Walters (Episodes, 1974) |
| Jeremy Kemp | ... | Squadron Ldr. Tony Shaw (Episodes, 1974) |
| Lawrence Davidson | ... | Capt. Coty / ... (Episodes, 1973-1974) |
| Geoffrey Palmer | ... | Doc (Episodes, 1972-1973) |
| Al Mancini | ... | Capt. Harry Nugent (Episodes, 1974) |
| Jeremy Higgins | ... | French Officer / ... (Episodes, 1972-1974) |
| Desmond Jones | ... | German Leutnant / ... (Episodes, 1972-1974) |
| John Herrington | ... | Stabsarzt / ... (Episodes, 1972-1973) |
| Grahame Mallard | ... | Leutnant Lehr / ... (Episodes, 1972) |
| Len Lowe | ... | Cpl. Hopkins (Episodes, 1974) |
| Donald McDonald | ... | Padre (Episodes, 1974) |
| Malcolm Stoddard | ... | Capt. Christopher Mawson (Episodes, 1974) |
| Joanna David | ... | Cathy Carter (Episodes, 1972-1974) |
| Peter Hager | ... | General Schaetzel / ... (Episodes, 1972-1974) |
| Michael Harding | ... | Dutch Officer (Episodes, 1972-1973) |
| Anthony Jacobs | ... | General Rawicz / ... (Episodes, 1972-1973) |
| Donald Tandy | ... | French Officer (Episodes, 1972-1973) |
| Ronald Musgrove | ... | German Corporal / ... (Episodes, 1972) |
| Nigel Stevens | ... | British Prisoner / ... (Episodes, 1972) |
| James Taylor | ... | Polish Captain (Episodes, 1972) |
| Gertan Klauber | ... | German Radio Announcer / ... (Episodes, 1973-1974) |
| Henri Szeps | ... | Capt. Henri Lefevre / ... (Episodes, 1973-1974) |
| Peter Harlowe | ... | 'Sniffy' Harris (Episodes, 1973) |
| Paul Humpoletz | ... | James (Episodes, 1973) |
| David Allister | ... | Capt. George Holland (Episodes, 1974) |
| Keith Ashley | ... | German Orderly / ... (Episodes, 1974) |
| Willy Bowman | ... | German Sergeant (Episodes, 1974) |
| Edward Brooks | ... | German NCO / ... (Episodes, 1974) |
| Oliver Gilbert | ... | German Guard / ... (Episodes, 1974) |
| Garrick Hagon | ... | Lt. Jim Phipps (Episodes, 1974) |
| Brian Hawksley | ... | Colonel Leclerq (Episodes, 1974) |
| James Hayes | ... | Lt. Paddy Moore (Episodes, 1974) |
| Philip Marchant | ... | Harry (Episodes, 1974) |
| Timothy Morand | ... | Capt. Marquand (Episodes, 1974) |
| Jim Norton | ... | Capt. James Porteous (Episodes, 1974) |
