Emily Roya O'Brien is an English three-time Daytime Emmy-nominated actress and writer who is known for her role of Jana Hawkes Fisher on The Young and the Restless from 2006 to 2011. She voiced The Woman in Love, Death and Robots Season 1 episode of The Witness, which won The Emmy for Best Animation. She went on to portray motion capture and the voice of Eve in season 2 of Love, Death and Robots entitled Pop Squad. She also portrayed Julia in the 2014 film Pernicious and provided the voices of Camille and Samira in League of Legends, and Y'shtola in Final Fantasy XIV: A Realm Reborn. Emily also voiced Gamora in Guardians of the Galaxy: The Telltale Series and Special Agent Iman Avesta in Batman: The Enemy Within. In 2018, she became part of the main cast of the animated film Dagon Troll World Chronicles. She also voiced Amelie and young Bridget Strand in the 2019 game Death Stranding. In 2020, O'Brien joined the cast of Days of Our Lives and currently portrays the character Gwen Rizczech, the daughter of Jack Deveraux on the daytime drama. In October 2023, O'Brien took over the role of Theresa Donovan, the daughter of Shane Donovan and Kimberly Brady.

Jana Hawkes is a fictional character from the American CBS soap opera The Young and the Restless. The role was portrayed by Emily O'Brien, first on a recurring status and then on contract until the character's death onscreen on May 6, 2011. Jana was married to Kevin Fisher, is the murderer of Carmen Mesta, and was involved in a number of illegal activities. She died of an aneurysm during a fight with her ex-husband's girlfriend, Chloe Mitchell.