Sinclair will take on the series regular role of Rosalind Walker, the brash, empowered and outspoken daughter of Greendale’s minister and Sabrina’s (Shipka) best friend at Baxter High.
Sinclair’s credits include Netflix’s Easy and the upcoming Screen Gems horror feature Slender Man. She’s repped by UTA, Creative Partners Group and Hirsch Wallerstein.
Riverdale showrunner Roberto Aguirre-Sacasa, who also serves as chief creative officer of Archie Comics, penned the script for the untitled series. Aguirre-Sacasa will direct the drama and executive produce alongside Riverdale collaborators Greg Berlanti, Sarah Schechter, Archie Comics CEO Jon Goldwater and Lee Toland Krieger. The drama hails from Warner Bros. Television-based Berlanti Productions.
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