By Lynette Rice
Updated November 28, 2011 at 06:40 PM EST
Patrick Harbron/ABC

A touch of Twilight will hit Pan Am on Dec. 4, when Ashley Greene (Alice from the Twilight franchise) begins a four (!!) episode arc on the ABC drama. She’ll play a debutante with a past connection to Ted (Michael Mosley).

Here are some exclusive first looks of Greene in her nifty period garb.

Patrick Harbron/ABC
Craig Sjodin

For more:

Ashley Greene to appear on Pan Am — EXCLUSIVE