92 mins | Comedy | Dec. 1, 1974
92 mins | Comedy | Dec. 1, 1974
| Producers | Magenta Films |
| Original title | The Switch or How to Alter Your Ego |
| Directors | Joseph W. Sarno |
| Writers |
as Dr. Shirley Jekyll / Shirley Hyde (as Veronica Parrish)
as Huntington Van Huff
as Gwen Van Huff
as Flamenstein
as Sean O'Brien
as Ralph White (as Tony Raymond)
as Louise White
as Myra
as Linda (as Sarah Lee Travers)
as Dr. Bill Jenkins
as Tally (as Debbie Bristol)
as Linda's Pickup
as Jennifer
as Dr. Tom Hopper
as Seymour
as Enid
as Dick