Movie about a sister and brother who found out they were kidnapped by finding their photo on a milk carton.
casspir Answered question
Just a guess, maybe
“The Face on the Milk Carton” (1995)?
https://www.imdb.com/title/tt0113008/
or
“Do You Know Me?” (2009)?
https://m.imdb.com/title/tt1430082/
casspir Answered question