Caspian, actually. 😀

The Hag.

"No one could've left it out cleaner or better!"

Yup.

a myriad of Dufflepuds. 😛

"The Cat is in their council."

Poggin?

"Are you sure that's not an acorn?"

Yup.

Caspian

"I do wish I was big enough to punch your head!"

Digory?

"There it is, ----. I could get no tale out of him, true or false."

Yes

Edmund

"One must choose his words as carefully as he chooses his friends."

Sopespian?

"I'm not about to jump off a cliff..."

Yes to Edmund earlier.

Rrrrrrm... somebody from PC movie? My guess is either Trumpkin or Edmund. o.o

"Nice bits of color, you two are."

Trumpkin. 🙂

Puddleglum.

"No one's asking you to do that."

Yup.

Umm... It sounds like I should know it, but I don't 😕

"I'd as soon march as stand here talking."

Duffers. 😉

Either Peter or Trumpkin.

"I am a grown-up."

Ahhh. 😛

Yup. It was Trumpkin.

Trumpkin?

"If that's not the Horn, call me a rabbit."

Yes.

Trumpkin.

"And it's very interesting, no doubt."

Trumpkin is correct 😀

Ummm... Iiiii... don't know. o.o

"Will everybody always be told how I made the first joke?"

Trumpkin. 😉

Jackdaw.

"It's not a sight for little girls."