"On Saturday, March 12, Moviefone will sit down with 'Source Code' stars Gyllenhaal and Monaghan during the SXSW festival in Austin, Texas, to answer your questions.
Ask Gyllenhaal what it was like to once again play a soldier in a movie or ask Monaghan about the stunts she had to perform. Ask them anything you'd like!
Jake Gyllenhaal with watering eyes as Colter Stevens in "Source Code"
Leave your questions in the comments with your name and location.
Then check back on Monday, March 28, to see if they answered your question!
Submit your question in the Ask! box below, including your name and location, by 12PM EST on Saturday, March 12". Source: blog.moviefone.com