Katherine Langford is an Australian actress. After appearing in several independent films, she had her breakthrough starring as Hannah Baker in the Netflix television series 13 Reasons Why, which earned her a Golden Globe Award nomination.
The Singularity at the end of Flash Season 1 has graver consequences than anyone foresaw. Now, it is up to Heroes from various worlds to come together and defeat the forces of evil that have risen in the Singularity's wake.
https://archiveofourown.org/series/3692284