Billy Costigan

Billy Costigan Picture

Billy Costigan is an undercover cop working for the Special Investigations Unit of Massachusetts's State Police. He's chosen to infiltrate Frank Costello's Organization. From there, The Departed takes off.

Played By
Leonardo DiCaprio
Full Name
Billy Costigan

Billy Costigan Quotes

Frank Costello: Have a seat, Bill.
[Costigan sits down at Costello's dinner table]
Frank Costello: [while eating crab] Do you know John Lennon?
Billy Costigan: Yeah, sure, he was the president before Lincoln.
Frank Costello: Lennon said, "I'm an artist. You give me a fucking tuba, I'll get you something out of it."
Billy Costigan: [sarcastically] Well I tell you Mr. Costello, I'd like to squeeze some fucking money out of it.
Frank Costello: Smart mouth. Too bad. If you'll indulge me...
[sees Gwen leaving]
Frank Costello: Now what?
Gwen: Choir practice.
Frank Costello: [annoyed] Choir practice.
[Costello pulls out a severed human hand]
Frank Costello: The point I'm making with John Lennon is - a man could look at anything, and make something out of it. For instance, I look at you and I think "what could I use you for?"

Billy Costigan: Listen, listen. I got like, like thirty thousand bucks, right? Insurance money. You know, after my mother passed and everything?
Cousin Sean: Yeah, yeah.
Billy Costigan: In your line of work, if I gave you like what, ten thousand, what could I get back?
Cousin Sean: You know... you know what you usually say at these moments?
Billy Costigan: What? What?
Cousin Sean: C'mon, man.
Billy Costigan: Aw, come on, you fucking moron. Come on. What, you want me to say it? Huh? I'm not a cop, alright? I'm your fucking cousin.
Cousin Sean: Yeah, you're bad! You corrupt fuck, man! You must be my cousin.

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The Departed Quotes

You have an immaculate record. Some guys don't trust an immaculate record. I do. I have an immaculate record.

Ellerby

Colin Sullivan: You're an FBI informant? Are you fucking kidding me?
Frank Costello: Grow up!
[laughing]
Frank Costello: Of course I talked to the FBI.
Colin Sullivan: Do they know who I am?
Frank Costello: I... I never gave up anybody... who wasn't going down anyway. Nobody knows nothin'.
Colin Sullivan: Frank... Frank. Do they know about me?
Frank Costello: I know about you, Colin. You know I'd never give you up. You're like a...
Colin Sullivan: What, like a son? To you? Is that what this is about? All that murderin'... and fuckin'... and no sons?
[They shoot at each other]