| Name | Character | Episodes |
|---|---|---|
| Michele Dotrice | Betty Spencer | 19 |
| Michael Crawford | Frank Spencer | 19 |
| John D. Collins | 2 | |
| Tenniel Evans | Air Traffic Controller | 1 |
| George Baker | 1 | |
| Richard Wilson | 1 | |
| Fulton Mackay | 1 | |
| Desmond Llewelyn | 1 | |
| Cyril Shaps | 1 | |
| Christopher Timothy | 1 | |
| Linda Hayden | 1 | |
| Edward Hardwicke | 1 | |
| Cyril Luckham | 1 | |
| Frederick Jaeger | Mr Barker | 1 |
| Glyn Houston | 1 | |
| Christopher Biggins | 1 | |
| Christopher Biggins | Prewett | 1 |
| Geoffrey Whitehead | 1 | |
| Vernon Dobtcheff | 1 | |
| Sydney Tafler | 1 | |
| John Ringham | 1 | |
| Elisabeth Sladen | 1 | |
| Neil McCarthy | 1 | |
| Jean Boht | 1 | |
| Norman Jones | 1 | |
| Richard Caldicot | 1 | |
| Derek Newark | 1 | |
| Jack Watson | 1 | |
| Ben Aris | 1 | |
| Roland MacLeod | 1 | |
| Roland Curram | 1 | |
| Gretchen Franklin | 1 | |
| Royston Tickner | 1 | |
| Diane Holland | 1 | |
| Milton Johns | 1 | |
| Seymour Green | 1 | |
| John Harvey | 1 | |
| Bernard Hepton | 1 | |
| John Scott Martin | 1 |