Two doctors in Victorian England use manual stimulation of female genitalia to cure their patients' ills, leading to the invention of the vibrator.
| Actor | Role |
|---|---|
 Maggie GyllenhaalCharlotte Dalrymple | Charlotte Dalrymple |
 Hugh DancyDr. Mortimer Granville | Dr. Mortimer Granville |
 Jonathan PryceDr. Robert Dalrymple | Dr. Robert Dalrymple |
 Felicity JonesEmily Dalrymple | Emily Dalrymple |
 Rupert EverettLord Edmund St. John-Smythe | Lord Edmund St. John-Smythe |
 Ashley JensenFanny | Fanny |
 Sheridan SmithMolly the Lolly | Molly the Lolly |
 Gemma JonesLady St. John-Smythe | Lady St. John-Smythe |
 Tobias MenziesMr. Squyers | Mr. Squyers |
 Malcolm RennieLord St. John-Smythe | Lord St. John-Smythe |
 Kim CriswellMrs. Castellari | Mrs. Castellari |
 Georgie GlenMrs. Parsons | Mrs. Parsons |
 Elisabet JohannesdottirMrs. Pearce | Mrs. Pearce |
| LLinda WoodhallNurse Smalley | Nurse Smalley |
 Kim SelbyLady Wheaton | Lady Wheaton |
 Ann Overstall ComfortMrs. Huddleston | Mrs. Huddleston |
| JJohn OverstallMr. Huddleston | Mr. Huddleston |
 Todd GrinnellAndy | Andy |
 David RyallJudge | Judge |
 Anna ChancellorMrs. Bellamy | Mrs. Bellamy |
 David SchaalTough Guy | Tough Guy |
 Nicholas WoodesonDr. Richardson | Dr. Richardson |
| EEllie JacobNurse | Nurse |