- Murry Wilson: Frankly, if you really want to know, I don't care for it. It's too wishy-washy. "If you leave me, why leave me? Life will go on. Why go on living?" It's not like a Beach Boys song. Your brothers are going to hate it.
- Brian: [devastated] It's a love song.
- Murry Wilson: It's a suicide note.

Bill Camp - Murry Wilson
Paul Dano - Young Brian

“I get by because of the people who make a special effort to shop here, mostly young men, who spend all their time looking for deleted Smith singles and original, not rereleased underlined Frank Zappa's albums. Fetish properties are not unlike porn. I'd feel guilty taking their money, if I wasn't... well... kinda one of them.”
John Cusack - Rob Gordon

“- Murphy 'Murph' Dunne: Tell me a little about this electric piano, Ray.
- Ray: Ah, you have a good eye, my man. That's the best in the city of Chicago.
- 'Joliet' Jake Blues: How much?
- Jay: 2000 bucks and it's yours. You can take it home with you. As a matter of fact, I'll throw in the black keys for free.”
Murphy Dunne - Murphy 'Murph' Dunne
Ray Charles - Ray
John Belushi - Joliet' Jake Blues

“- Marvin Isherwood: What's that? And why did you have it sent here?
- Stanley Goodspeed: Carla wouldn't approve. She thinks it's dumb to spend $600 on an LP.
- Marvin Isherwood: Carla's right. Why didn't you just spend $13 on a CD, man?
- Stanley Goodspeed: Well, first of all, it's because I'm a Beatlemaniac. And second, these sound better.”

Todd Louiso - Marvin Isherwood
Nicolas Cage - Stanley Goodspeed

“Mother never approved of Scraps jumping up like this. But then again, she never approved of anything.”

Johnny Depp - Victor Van Dort