Claim: Mackenzie Foy starred as young Murphy in Interstellar.
Evidence: She is best known for her role as Renesmee Cullen in the 2012 film The Twilight Saga : Breaking Dawn -- Part 2 , which earned her a Young Artist Award nomination as Best Supporting Young Actress in a Feature Film , and as the young Murphy in the 2014 space epic Interstellar , for which she received critical acclaim and several awards and nominations.