Als Henry Jekyll's experimenten met Cocaine uit de hand lopen, veranderd hij in Jack Hyde. Als Hyde zoekt hij 's nachts in de straten van Londen naar prooien. De politie kan hem niet pakken en dus is het enige dat hij kan verliezen zijn verstand.
Nee, helaas is Edge of Sanity nog niet beschikbaar op Netflix in Nederland.
| Directing | Gérard Kikoïne | Director |
| Writing | Robert Louis Stevenson | Novel |
| Crew | Edward Simons | Additional Writing |
| Costume & Make-Up | Valerie L'Annee | Wardrobe Designer |
| Art | Fred Carter | Art Direction |
| Writing | J.P. Félix | Screenplay |
| Production | Jacques Fiorentino | Producer |
| Writing | Ron Raley | Screenplay |
| Production | Maria Rohm | Associate Producer |
| Production | James Swann | Associate Producer |
| Editing | Malcolm Cooke | Editor |
| Sound | Frédéric Talgorn | Original Music Composer |
| Camera | Tony Spratling | Director of Photography |
| Production | Maggie Sanguin | Casting |
| Art | Jean Charles Dedieu | Production Design |
| Production | Peter A. McRae | Executive Producer |
| Production | Edward Simons | Producer |
| Production | Harry Alan Towers | Producer |
