 | Gene Wilder als Larry Abbot |
 | Gilda Radner als Vickie Pearl |
 | Dom DeLuise als Aunt Kate Abbot |
 | Jonathan Pryce als Charles Abbot |
 | Eve Ferret als Sylvia |
 | Bryan Pringle als Pfister |
 | Peter Vaughan als Uncle Francis Abbot Sr. |
 | Paul L. Smith als Dr. Paul Abbot |
 | Jim Carter als Montego |
 | Roger Ashton-Griffiths als Cousin Francis Jr. |
 | Ann Way als Rachel |
| Sally Osborne als Mrs. Abbot |
| Jo Ross als Susan |
 | Julann Griffin als Nora |
 | William Hootkins als Reporter |
 | Mac McDonald als Reporter |
| Gene Wilder | Director |
| Terence Marsh | Production Design |
| Alan Tomkins | Art Direction |
| Nikki Clapp | Script Supervisor |
| Irene Lamb | Casting |
| Colin Skeaping | Stunt Coordinator |
| Fred Schuler | Director of Photography |
| Michael Seirton | Set Decoration |
| Susan Ruskin | Producer |
| Basil Rayburn | Associate Producer |
| Ruth Myers | Costume Design |
| John Morris | Original Music Composer |
| Graham Attwood | Still Photographer |
| Christopher Greenbury | Editor |
| Emile Buyse | Associate Producer |
| Gene Wilder | Writer |
| Terence Marsh | Writer |
| Robert Hathaway | Music Editor |
| Joan Carpenter | Hair Supervisor |
| Graham Freeborn | Makeup Artist |
| Stuart Freeborn | Makeup Supervisor |
| Richard Mills | Makeup Artist |
| Basil Rayburn | Production Supervisor |
| Annie Townsend | Hairstylist |
| Kay Freeborn | Makeup Artist |
| Reg Bream | Draughtsman |
| Tracey Eddon | Stunts |
