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Secrets of a Super Stud, also known as It's Getting Harder All the Time and Naughty Girls on the Loose, is a 1976 British sex comedy film, one of many to be also filmed in a hardcore version for export. It was shot at Twickenham Film Studios under the title "Custer’s Thirteen", the general release prints and the hardcore version were processed at Kay Labs at Highbury, North London.
Original Release
04/18/1977
Cast
| Name | Character |
|---|
| Tony Kenyon | Custer Firkeshaw |
| Mark Jones | Peter |
| Margaret Burton | Aunt Sophie |
| Raymond Young | Uncle Clifton |
| David Pugh | Cousin Henry |
| Maggie Wright | Sybil |
| Jennifer Westbrook | Miranda |
| Bobby Sparrow | Beryl |
| Janet Adler | Rita |
| Paula Martin | Jane |
Directors
Writers
Alan Selwyn, Gerry Levy, Morton M. Lewis
Cast
| Name | Character |
|---|
| Tony Kenyon | Custer Firkeshaw |
| Mark Jones | Peter |
| Margaret Burton | Aunt Sophie |
| Raymond Young | Uncle Clifton |
| David Pugh | Cousin Henry |
| Maggie Wright | Sybil |
| Jennifer Westbrook | Miranda |
| Bobby Sparrow | Beryl |
| Janet Adler | Rita |
| Paula Martin | Jane |
| Joanna Richards | Susan |
| Juliet Groves | Julie |
| Candida Hershman | Nurse Lashing |
| David Rayner | Dr. Lemmon |
| Michael Cronin | Dr. Halldenberger |
| Bill Boazman | Toogood |
| Daniella Fletcher | Miss Effingwell |
| Gabrielle Blunt | Aunt Cissy |
| Heather Deeley | Intruder |
| Jacqui Rigby | Masseuse |
Producers
| Name | Role |
|---|
| John Phillips | Executive Producer |
| Morton M. Lewis | Producer |
| Gerry Levy | Producer |
