"I spoke in the car about the hole at the center of this donut. And yes, what you and Harlan did that fateful night seems at first glance to fill that hole perfectly. A donut hole in the donut's hole. But we must look a little closer. And when we do, we see that the donut hole has a hole in its center – it is not a donut hole at all, but a smaller donut with its hole, and our donut is not whole at all!"

"You have a regurgitative reaction to mistruths."

"But the complexity and the gray lie not in the truth, but what you do with the truth once you have it."

"Physical evidence can tell a clear story with a forked tongue."

"The best judge of character is a dog. I've found that to be true."

"Why is grief the providence of youth? I don't know. But I'd imagine that age deepens all feelings."

"Dreama Walker – Connie Stevens"

"Rachel Redleaf – Mama Cass"

"Rebecca Rittenhouse – Michelle Phillips"

"Kansas Bowling – Sandra Good ("Blue")"

"Harley Quinn Smith – "Froggie""

"Rumer Willis – Joanna Pettet"

"Dallas Jay Hunter – "Delilah""

"Madisen Beaty – Patricia Krenwinkel ("Katie")"

"Samantha Robinson – Abigail Folger"

"Rafał Zawierucha – Roman Polanski"

"Damon Herriman – Charlie"

"Lorenza Izzo – Francesca Capucci"

"Rebecca Gayheart – Billie Booth"

"Lena Dunham – "Gypsy""

"Costa Ronin – Wojciech Frykowski"

"Mikey Madison – Susan Atkins ("Sadie")"

"Mike Moh – Bruce Lee"

"Luke Perry – Wayne Maunder"

"Damian Lewis – Steve McQueen"

"Bruce Dern – George Spahn"

"Julia Butters – Trudi Frazer"

"Timothy Olyphant – James Stacy"

"Austin Butler – "Tex" Watson"

"Al Pacino – Marvin Schwarz"

"Dakota Fanning – Lynette "Squeaky" Fromme"

"Brad Pitt – Cliff Booth"

"Margot Robbie – Sharon Tate"

"Emile Hirsch – Jay Sebring"

"Nicholas Hammond – Sam Wanamaker"

"Margaret Qualley – "Pussycat""

"James Landry Hébert – Steve Grogan ("Clem")"

"Kurt Russell – Randy Miller and the narrator"

"Marvin Schwarz: So Rick, who's gonna kick the shit out of you next week? Mannix? The Man from U.N.C.L.E.? The Girl from U.N.C.L.E.? How about Batman and Robin? [pantomimes the fight choreography] Ping! Pow! Choom! Zoom! Down goes you, down goes your career as a leading man."

"Trudi Frazer: I believe it's the job of an actor – and I say actor, not actress because the word actress is nonsensical – it's the actor's job to avoid impediments to their performance. It's the actor's job to strive for one hundred percent effectiveness. Naturally, we never succeed, but it's the pursuit..that's meaningful."

"Sadie: Dig it! We all grew up watching TV. You know what I mean? If you grew up watching TV, that means you were watching murder. Every show on TV that wasn't I Love Lucy was about murder. So my idea is: we kill the people who taught us to kill. I mean, where the fuck are we, man? We are in fucking Hollywood, man! The people who an entire generation grew up watching kill people live here and they live in pigshit fucking luxury. I say fuck 'em! I say we cut their cocks off and make 'em eat it!"

"Narrator: When you come to the end of the line, with a buddy who is more than a brother and a little less than a wife, getting blind drunk together is really the only way to say farewell."

"You fuckin' hippies came up here to smoke dope on a dark road, huh?"