Canadian actor Stephen Amell is set to reprise his role as Oliver Queen in the ninth and final season of "The Flash".
Amell had starred as the title character in "Arrow" and also appeared in the spinoff "The Flash".
He is set to guest star in episode 909, joining previously announced David Ramsey (John Diggle aka Spartan), Keiynan Lonsdale (Wally West/Kid Flash), and Sendhil Ramamurthy (Ramsey Rosso/Bloodwork).
Grant Gustin starred as Barry Allen for nearly a decade. He was originally introduced on "Arrow", the series that launched the CW’s Arrowverse, before headlining his own series, "The Flash".
Amell has appeared in eight episodes of "The Flash" as Oliver Queen.
Based on the characters from DC, "The Flash" is from Bonanza Productions Inc. in association with Berlanti Productions and Warner Bros. Television, with executive producers Greg Berlanti (Superman & Lois, Arrow, You), Eric Wallace (Teen Wolf, Eureka) and Sarah Schechter (You, The Flight Attendant, Riverdale), Sam Chalsen (Sleepy Hollow), and Jonathan Butler (Bella and the Bulldogs).