Wallis Day

Wallis Day (born 20 September 1994) is a British actress and model. She is best known for playing Kate Kane in the TV series Batwoman, Nyssa-Vex in the TV series Krypton, and Agent Shin in the film Infinite.

Early life Wallis Day was born on 20 September 1994 in London. Her father was educated in the University of Oxford, and her mother at the University of Cambridge. Day has stated that she came from "a very normal family with very normal jobs" as none of her family had ties to the entertainment industry. When five years old, she became passionate about acting after being taken to see ballets by her father, and joined Stagecoach Theatre Arts at the same age. Day attended the Sylvia Young Theatre School, and later the Arts Educational Schools (ArtsEd).

Career Day signed on to the modelling agency Models 1 at the age of 13, and was the youngest in the agency for three years. During her tenure as a model, Day modelled for Garnier, Superdry and Nike among others. One of her earliest screen appearances was in a commercial for Nintendo 3DS, where she is seen playing Super Mario 3D Land. When she was 17, she landed her first film role as Lucy in Between Two Worlds.

In 2014, Day appeared in a YouTube prank video where she masquerades as the girlfriend of Caspar Lee, and flirts with his roommate Joe Sugg. The video gained over 23 million views. and in the seventh episode of the fourth series of Sky One's Trollied. In 2015, Day appeared as Angelica in the television film Casanova, After Jekyll and Hyde, she took a hiatus to study at ArtsEd. and joined The Royals in the recurring role of Angie which she played till 2018. In 2017, she appeared as Cressida Deveraux in the TNT series Will. She appeared as Agent Shin in the science fiction film Infinite, released in 2021.

In March 2021, Day was cast to recur in the second season of the CW series Batwoman to take over the role of Kate Kane from Ruby Rose. She debuted in the episode "Initiate Self-Destruct", where the character's facial change is explained. Day also portrayed Circe Sionis. In February 2022, she joined the second season of Netflix's Sex/Life in a recurring role as Gigi, and in August, joined the film Red Sonja in the role of the antagonist Annisia.

Personal life During her early childhood, Day and her family frequently moved house; She has chosen not to comment on her sexuality, stating in 2017, "Being straight, bisexual or gay is NOT a choice. All I'll say on that matter." She has previously been romantically linked to the American actress Lili Reinhart.

Filmography Television +YearTitleRoleNotes 2012–2013 Hollyoaks Holly Cunningham Main role 2014 Trollied Lily Guest role 2015 Casanova Angelica Television film Jekyll and Hyde Olalla Jekyll/Hyde Recurring role 2016 Shield 5 Amy Williams Main role 2016–2018 The Royals Angie Recurring role 2017 Will Cressida Deveraux Recurring role 2018–2019 Krypton Nyssa-Vex Main role; 20 episodes 2021 Batwoman Kate Kane / Circe Sionis 7 episodes 2023 Sex/Life Gigi Recurring role (season 2)

Film YearTitleRoleNote 2016 Between Two Worlds Lucy 2021 Infinite Agent Shin 2023 Sheroes Ryder 2025 Red Sonja Annisia

Music videos YearTitleArtist 2014 "On My Way" Lea Michele "Arabella" Arctic Monkeys "She Looks So Perfect" 5 Seconds of Summer