 | Alfred Burke | ... | Captain Bitterger / ... (9 episodes, 1957-1964) |
 | Alan Gifford | ... | Bancroft / ... (8 episodes, 1958-1965) |
 | Patrick McGoohan | ... | Charles Castle / ... (7 episodes, 1958-1961) |
 | Derek Francis | ... | Behrend / ... (7 episodes, 1959-1964) |
 | Tony Quinn | ... | Dooley / ... (6 episodes, 1958-1964) |
 | Jane Eccles | ... | Lady Saltburn / ... (6 episodes, 1958-1964) |
 | William Sylvester | ... | Ben Hubbard / ... (6 episodes, 1957-1963) |
 | Peter Wyngarde | ... | Garry Essendine / ... (5 episodes, 1957-1965) |
 | Pamela Brown | ... | Hedda Gabler / ... (5 episodes, 1957-1963) |
 | Barbara Chilcott | ... | Cassandra / ... (5 episodes, 1957-1960) |

| Maggie Smith | ... | Dixie Evens / ... (5 episodes, 1957-1966) |
 | Clive Morton | ... | Colonel Shepherd / ... (5 episodes, 1957-1965) |
 | Zena Walker | ... | Agnes / ... (5 episodes, 1958-1965) |
 | Isabel Dean | ... | Elizabeth Hollis / ... (5 episodes, 1957-1963) |
 | Georgina Cookson | ... | Lily / ... (5 episodes, 1958-1966) |
 | Laurence Hardy | ... | Bishop of Buenos Aires / ... (5 episodes, 1958-1965) |
 | Stratford Johns | ... | Engineer / ... (4 episodes, 1957-1961) |
 | Noel Howlett | ... | David Lancaster / ... (4 episodes, 1958-1964) |
 | Noel Coward | ... | Himself - Presenter / ... (4 episodes, 1964) |
 | Donal Donnelly | ... | Christy Mahon (The Playboy) / ... (4 episodes, 1958-1962) |

| Alan Bates | ... | Charles Tritton / ... (4 episodes, 1956-1960) |
 | Gwen Ffrangcon Davies | ... | Emma / ... (4 episodes, 1959-1965) |
 | Anthony Newlands | ... | Chiaretti / ... (4 episodes, 1959-1963) |
 | Nicholas Pennell | ... | Clive / ... (4 episodes, 1963-1964) |
 | Noel Hood | ... | Lady Peasmore / ... (4 episodes, 1958-1965) |
 | Joan Newell | ... | Georgette, a countrywoman / ... (4 episodes, 1958-1964) |
 | John Bailey | ... | Cardinal of Budapest / ... (4 episodes, 1958-1965) |
 | James Dyrenforth | ... | Dean Forsythe / ... (4 episodes, 1958-1960) |
 | Oliver Johnston | ... | Alexei / ... (4 episodes, 1957-1961) |
 | Norman Chappell | ... | American Ambassador / ... (4 episodes, 1960-1963) |
 | John Miller | ... | Brigadier / ... (4 episodes, 1956-1964) |
 | Gwen Watford | ... | Mrs. Arbuthnot / ... (4 episodes, 1957-1965) |
 | Neil McCallum | ... | Kenneth Sloames / ... (4 episodes, 1957-1961) |
 | Denholm Elliott | ... | James Dell (4 episodes, 1958-1965) |
 | Hilda Barry | ... | Granny Silk / ... (4 episodes, 1959-1964) |
 | Coral Fairweather | ... | Alice / ... (4 episodes, 1959-1964) |
 | Viola Keats | ... | Angustias / ... (4 episodes, 1959-1963) |
 | Helen Cherry | ... | Miss Janus / ... (4 episodes, 1960-1964) |
 | John Tate | ... | Bludgeon / ... (4 episodes, 1961-1964) |
 | Michael Robbins | ... | Georgie / ... (4 episodes, 1962-1966) |