Curran Walters and Conor Leslie appear as Jason Todd and Donna Troy, respectively. In August 2018, Elliot Knight was cast as Don Hall. In February 2019, it was announced that Joshua Orpin had been cast as Conner for season two. After the character was teased by Johns, Esai Morales was cast as Deathstroke in March 2019, with Chella Man and Chelsea Zhang announced as his children Jericho and Rose. Iain Glen was cast as Bruce Wayne on April 11, 2019, marking the character's first physical appearance after being portrayed by stunt doubles in the first-season finale. In June 2019, Natalie Gumede and Drew Van Acker were cast as Mercy Graves and Garth, respectively. In July 2019, Genevieve Angelson was announced as Cadmus Laboratories scientist Dr. Eve Watson. In August 2019, Michael Mosley was revealed to be portraying Dr. Light. The same month, Olunike Adeliyi announced on her Instagram she had joined the cast in an undisclosed role that was later revealed as burlesque dancer Mati Matisse and Hanneke Talbot was revealed to be Shimmer. In September 2019, Demore Barnes was revealed to be portraying Wintergreen. Following the character's appearance in an October 2019 trailer, Anna Diop confirmed on her Instagram that Damaris Lewis would be portraying Kory's sister Blackfire, which was also confirmed by Lewis. In December 2019, it was announced that Damaris Lewis had been promoted to series regular for season three. Filming for the first season began on November 15, 2017, in Toronto, and Hamilton, Ontario, concluding on June 28, 2018. Filming for the second season began on April 2, 2019, and concluded on October 8, 2019. Production was put on hold due to the July 18 accidental death of special effects coordinator Warren Appleby, but resumed on July 24, 2019. Filming for the third season was placed on hold due to the COVID-19 pandemic, with co-creator Akiva Goldsman stating that it would begin "as soon as possible". After the first episode was screened on October 3, 2018, at New York Comic Con, "Titans" officially premiered on October 12, 2018. The first season comprised eleven episodes and each episode was released weekly on DC Universe until the season finale aired on December 21, 2018. Outside the United States, the first season became available for streaming via Netflix on January 11, 2019. The second season premiered on September 6, 2019, and concluded on November 29, 2019, comprising 13 episodes.