Know-It-All (Reading the word punched on his ticket with his thumb over one letter): "Lean?" Whatever that's supposed to mean.
Conductor (Examining the ticket): "Lean" is spelled with four letters. I believe I punched five.
(Hands it back)
Know-It-Al: Hey, are you sayin' I don't know how to...(Reads it again and looks back sheepishly) Oh. I'm sorry. It says "Learn". My mistake.
Conductor (To himself): Lesson learned.
A blink-and-you-miss-it one. As Hero Boy and Hero Girl are sharing their goodbye hug, the conductor briefly checks his pocket watch and makes an exasperated face that just screams "Get on with it already."
Hero Boy telling the hobo that he's "looking for a girl." The hobo howls with laughter and replies "Ain't we all??"
When the conductor takes off his hat revealing a bald top, thus eliminating any exact likeness to Tom Hanks.