 | Dennis Hopper
Narrator (voice) |
 | Peter Bart
VP Production, Paramount 1967-1974 |
 | Warren Beatty
Himself (archive footage) |
 | Carl Bernstein
Himself |
 | Tony Bill
Himself |
 | Ralph Blumenthal
Reporter, New York Times |
 | Susan Brownmiller
Women Against Pornography |
 | Lenny Camp
Location Manager, Deep throat |
 | Johnny Carson
Himself (archive footage) |
 | Dick Cavett
Himself |
 | Jeff Conaway
Kenickie |
 | Wes Craven
Himself |
 | Walter Cronkite
(archive footage) |
 | Alan Dershowitz |
 | Larry Flynt
Himself |
 | Al Goldstein
Founder, Screw |
 | John Gorman
Former NYPD |
 | Helen Gurley Brown
Author, Sex and the Single Girl |
 | Hugh Hefner
Himself |
 | Xaviera Hollander
Herself |
 | Bob Hope
Himself (archive footage) |
 | Erica Jong
Herself |
 | Herb Kassner
Defense Attorney, Deep Throat |
 | Charles Keating
Himself |
 | Bill Kelly
Former FBI Agent |
 | Linda Lovelace
Herself (archive footage) |
 | Bill Maher
Himself |
 | Norman Mailer
Himself |
 | Lindsay Marchiano
Linda's Daughter |
 | Jack Nicholson
Himself (archive footage) |
 | Camille Paglia
Herself |
 | Larry Parrish
Prosecutor, Deep Throat |
 | Michael Pataki
Ziggy ("The Last Porno Flick") (archive footage) |
 | William Purcell
Prosecutor, Deep Throat |
 | Harry Reems
Himself |
 | Arthur Sommer
Theater Manager, Miami Beach |
 | Georgina Spelvin
Herself |
 | Annie Sprinkle
Herself |
 | Gloria Steinem
Herself (archive footage) |
| Mike Sullivan
Himself - Former NYPD Officer |
 | Chuck Traynor
Himself (archive footage) |
 | Andrea True
Herself |
 | Gore Vidal
Himself |
 | John Waters
Himself |
 | Ron Wertheim
Adult Filmmaker |
 | Ruth Westheimer
Herself (as Dr. Ruth Westheimer) |
 | Linda Williams
Author, Hard Core |
 | Richard Dreyfuss
Actor (Deleted Scene) |
 | Eric Edwards
Former Adult Actor (Deleted Scene) |
 | Paul Mazursky
Filmmaker (Deleted Scene) |
 | Lili Zanuck
Movie Producer (Deleted Scene) |