All aboard for this first glimpse of "The Girl On the Train"!

Emily Blunt was spotted on the New York City set of the movie on Wednesday (Nov. 4), and as predicted, she looks perfect as the booze-bedraggled Rachel Watson we came to know (and not really ~know~) so well in the Paula Hawkins page-turner.

Blunt spent the day filming an outdoor scene in the Big Apple -- presumably a substitute for some of the London, England street scenes detailed in the story.

The cast for "Girl On the Train" has steadily been rounding out ever since Blunt's attachment to the pic early this summer. She'll be joined by Rebecca Ferguson as Anna, the much-envied wife of her ex-husband Tom, who'll be played by "The Leftovers" star Justin Theroux.

Meanwhile, Luke Evans (taking over for Jared Leto as he re-ignites his musical fire) and Haley Bennett will portray a seemingly perfect pair which Rachel admires on her daily for-show-only commute -- on, you guessed it, a train -- and which becomes the center of her universe when the woman goes missing.

Allison Janney, Lisa Kudrow, and Édgar Ramírez will also star in the pic, with "The Help" director Tate Taylor taking the helm.