Melody: I didn't get your name.
Lightfoot: Well, I didn't give it to ya'. My name is Lightfoot.
Melody: "Lightfoot"?
Lightfoot: That's right.
Melody: That's a dumb name. I mean, what kind of person would name a kid that, ya' know?
Lightfoot: What's your name?
Melody: Melody.
Lightfoot: "Melody"? That's not a dumb name?.. Hey, maybe we had the same father?
Red Leary: Go... fuck... a duck.
John Doherty: I don't wish to be forward but we'd like to exchange cars with you. So the faster you get out, the better it'll be for your ass.
Lightfoot: Howdy. How's business?
Station Attendant: In this business, you're always one step away from bankruptcy. Funny money, credit, speculation... Somewhere in this country's a little ol' lady with $79.25. The five cents is a buffalo nickel... If she cashes in her investment, whole thing'll collapse. General Motors, the Pentagon, the two-party system and the whole shebang... We're all running downhill. Gotta' keep running faster or we'll fall down.
Lightfoot: You ain't no country preacher, Preacher.
John Doherty: You don't look so good, kid.
Lightfoot: I believe you're right.
Answer: He is given what it known as "last billing" (which you see as "and George Kennedy). Nowadays it can also be referred to as "special billing." This is typically done for more famous actors who are playing a smaller role, or in this case a non-titular character. It was done on purpose and most likely as part of his agent's negotiation with the film studio.
Bishop73