Ralphie Parker, 'A Christmas Story'
Now: Billingsley continues to act, appearing in several Vince Vaughn and Jon Favreau films, including "Elf," "Iron Man," "The Break-Up" and "Four Christmases." Peter also directed the film "Couples Retreat." (Photo by Jason Merritt/Getty Images)
The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.