Katherine Langford Wiki, Age Profile | Contact details 2017 (Phone number, Email, Instagram, YouTube)- KATHERINE LANGFORD is an actress and former swimmer who was born on April 29, 1996 (age 21) in Perth, Australia. She is best known for playing Hannah Baker in the 2017 Netflix series 13 Reasons Why, based on the novel of the same title. According to the news of April 30, 2017, Dylan Minnette & Katherine Langford Discuss the Success of ’13 Reasons Why’ with Ellen DeGeneres! She decided to study acting after graduating from the school.