| Harry J. Anslinger | ... | Himself (archive footage) | |
| Fiorello LaGuardia | ... | Himself (archive footage) | |
| Maria Arnold | ... | Jill (uncredited) | |
| Andy Bellamy | ... | Secretary (uncredited) | |
| George E. Carey | ... | Doctor at Desk (uncredited) | |
| Billy Curtis | ... | Himself - Interviewee (uncredited) | |
| Sandy Dempsey | ... | Fiction Writer (uncredited) | |
| Suzanne Fields | ... | Cindy (uncredited) | |
| L.C. Graves | ... | Himself - Holds Oswald's Arm (archive footage) (uncredited) | |
| John Holmes | ... | Office Man (uncredited) | |
| Lynn Holmes | ... | Charlie's Wife (uncredited) | |
| Jim | ... | Jim (uncredited) | |
| Billy Lane | ... | Pat (uncredited) | |
| Jim Leavelle | ... | Himself - Escorts Oswald (archive footage) (uncredited) | |
| Patti Lee | ... | Patti (uncredited) | |
| Sheldon Lee | ... | David (uncredited) | |
| Eve Orlon | ... | Female Protester (uncredited) | |
| Lee Harvey Oswald | ... | Himself (archive footage) (uncredited) | |
| Rebecca | ... | Rebecca (uncredited) | |
| Levi Richards | ... | Ben (uncredited) | |
| Jack Ruby | ... | Himself (archive footage) (uncredited) | |
| Starlyn Simone | ... | Topless Dancer (uncredited) |
Directed by | |||
| Dennis Van Zak | |||
Writing credits | ||
| Dennis Van Zak | (written by) | |
Produced by | |||
| Tom Parker | .... | producer | |
| Dennis Van Zak | .... | producer | |
Cinematography by | |||
| Tom Parker | (photographed by) | ||
Film Editing by | |||
| William Clayton | |||
Production Design by | |||
| David King | |||
Sound Department | |||
| Verne Barney | .... | sound | |
Camera and Electrical Department | |||
| Jim Buchert | .... | lighting | |
Other crew | |||
| Jack Bannon | .... | script supervisor | |
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| Gonzo: The Life and Work of Dr. Hunter S. Thompson | Frost/Nixon | The Doors | Inside Deep Throat | Le sex de femme 4 |
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| Full cast and crew | Company credits | External reviews |
| IMDb Adult section | IMDb USA section |
This would-be documentary mixes stock footage, lame street interviews, 1975 fashion and bad acting to defend (and teach) marijuana use in terms that seem pretty commonplace today.
Its major claim (the "secret" of the title) is that marijuana enhances sex, though it includes a few dissenting voices.
The sex scenes are all very tame by today's standards, and the tone is pure Playboy. DON'T see it for the sake of John Holmes' famous member, which appears only briefly, flaccid in the background at a nude "sensitivity training" session remarkable for its insensitivity ("First, all please disrobe.").
As a classic case of blow-dried hair, flares and words like "balling", it's mildly amusing, and the cast deliver a few unconscious one-liners.
The film lasts just over one hour. If you pay full price, you'll be ripped off, but it would go well with "Reefer Madness".