Little Mary Callaghan in "While You Were Sleeping" 'MEMBA HER?!

12/24/2013 12:15 AM PST BY TMZ STAFF
2020_monica_keena_while_you_were_sleeping_launchMonica Keena was only 15-years-old when she landed her first major movie role as Mary Callaghan  -- opposite Peter Boyle and Sandra Bullock -- in the 1995 holiday film "While You Were Sleeping." Guess what she looks like now!