| John Cleese | | Fish #2 |
| Terry Gilliam | | Window Washer |
| Eric Idle | | Gunther |
| Terry Jones | | Bert |
| Graham Chapman | | Chairman |
| Michael Palin | | Window Washer |
| Carol Cleveland | | Beefeater Waitress |
| Simon Jones | | Chadwick |
| Patricia Quinn | | Mrs. Williams |
| Judy Loe | | Nurse #1 |
| Andrew MacLachlan | | Groom |
| Mark Holmes | | Victim #2 (Cheerful Severed Head) |
| Valerie Whittington | | Mrs. Moore |
| Jennie Franks | | Bride |
| Imogen Bickford-Smith | | Nurse #2 |
| Angela Mann | | Wife of Guest #2 |
| Peter Lovstrom | | Brown's Son |
| George Silver | | Diner Eating Howard the Fish |
| Chris Grant | | |
| Sydney Arnold | | (segment "The Crimson Permanent Assurance") |
| Guy Bertrand | | (segment "The Crimson Permanent Assurance") |
| Andrew Bicknell | | (segment "The Crimson Permanent Assurance") |
| Ross Davidson | | (segment "The Crimson Permanent Assurance") |
| Myrtle Devenish | | Old Lady (segment "The Crimson Permanent Assurance") |
| Tim Douglas | | (segment "The Crimson Permanent Assurance") |
| Eric Francis | | (segment "The Crimson Permanent Assurance") |
| Matt Frewer | | Cornered Executive who Jumps (segment "The Crimson Permanent Assurance") |
| Billy John | | (segment "The Crimson Permanent Assurance") |
| Russell Kilmister | | (segment "The Crimson Permanent Assurance") |
| Peter Mantle | | (segment "The Crimson Permanent Assurance") |
| Len Marten | | (segment "The Crimson Permanent Assurance") |
| Peter Merrill | | (segment "The Crimson Permanent Assurance") |
| Cameron Miller | | (segment "The Crimson Permanent Assurance") |
| Gareth Milne | | (segment "The Crimson Permanent Assurance") |
| Larry Noble | | (segment "The Crimson Permanent Assurance") |
| Paddy Ryan | | (segment "The Crimson Permanent Assurance") |
| Leslie Sarony | | (segment "The Crimson Permanent Assurance") |
| John Scott Martin | | (segment "The Crimson Permanent Assurance") |
| Eric Stovell | | (segment "The Crimson Permanent Assurance") |
| Wally Thomas | | (segment "The Crimson Permanent Assurance") |