The address that Sophie sends the stolen Dagger to is a shout-out to comic book artist. Warren Ellis.

Nate: If we don't find Moreau, I might go back to prison forever.
Sophie: Oh, shush. You did fine in prison the first time.
Eliot: You got into shape.
Parker: Yeah, you look good in a jump suit.
Alec: You learned how to hypnotize people.

Sophie: But when I started telling them about one of my finest jobs ever...
Eliot: But I know she's lying.
Alec: She's a grifter. It's her job.
Parker: Wait, I'm confused. Now, she's lying about lying?

Eliot: I'm gonna need a couple of things from you. I need your clothes, and I need your little invite to this party. This can go two ways--you can give them to me, and I can stuff you in the trunk of this car, which, by the way, looks pretty comfortable. Not a bad night. Or, you can not give them to me... and I can do exactly what you'd expect a crazy guy in your back seat to do to you. (Abernathy hands over the keys) That's the right choice.

Sophie: It was en route. That's like stealing my mail.
Parker: What, is stealing mail a crime? Oop.

Title:

Rashomon is a Japanese film and later a play in which the story of a crime is told from four different points of view.

Sophie: Dr. Karen Ipcress from the restoration department.

The IPCRESS File was a 1962 novel by Len Deighton that dealt with mind control, and was subsequently made into a movie with Michael Caine.

Sophie: I sound like one of the dwarves in Lord of the Rings, but continue.

Referring to J.R.R. Tolkien's popular trilogy of Middle Earth novels, and the movies made by Peter Jackson. Although the main dwarf, portrayed by actor John Rhys-Davies, has more of a Welsh accent, the majority of dwarves have a Scottish accent.