| Harry Secombe |
Neddie Seagoon (Series 3-10) |
| Peter Sellers |
Hercules Grytpype-Thynne (Series 3-10) |
| Spike Milligan |
Count Jim Moriarty (Series 3-10) |
| Spike Milligan |
Eccles (Series 2-10) |
| Peter Sellers |
Bluebottle (Series 3-10) |
| Peter Sellers |
Major Dennis Bloodnok (Series 2-10) |
| Peter Sellers |
Henry Crun (Series 3-10) |
| Spike Milligan |
Minnie Bannister (Series 3-10) |
| Michael Bentine |
Professor Osric Pureheart (Series 1-2) |
| Harry Secombe |
Various |
| Peter Sellers |
Various |
| Spike Milligan |
Various |
| Spike Milligan |
Throat (Series 5-10) |
| Peter Sellers |
Willium "Mate" Cobblers (Series 4-10) |
| Spike Milligan |
Lalkaka / Banerjee (Series 8-10) |
| Spike Milligan |
Jim Spriggs (Series 6-10) |
| Spike Milligan |
Little Jim (Series 7-10) |
| Spike Milligan |
Singhiz Thingz (Series 8-10) |
| Peter Sellers |
Lalkaka / Banerjee (Series 8-10) |
| Andrew Timothy |
Announcer (Series 1-4) |
| Wallace Greenslade |
Announcer (Series 4-10) |
| Max Geldray |
Musical Performer |
| Ray Ellington (as The Ray Ellington Quartet) |
Musical Performer |