The seventh and penultimate season of the American television series Arrow premiered on The CW on October 15, 2018, and concluded on May 13, 2019, with a total of 22 episodes. The series is based on the DC Comics character Green Arrow, a costumed crime-fighter created by Mort Weisinger and George Papp, and is set in the Arrowverse, sharing continuity with other Arrowverse television series. The showrunner for this season was Beth Schwartz. Stephen Amell stars as Oliver Queen, with principal cast members David Ramsey as John Diggle, Emily Bett Rickards as Felicity Smoak, Echo Kellum as Curtis Holt, Rick Gonzalez as Rene Ramirez, Juliana Harkavy as Dinah Drake, and Katie Cassidy Rodgers as Laurel Lance also returning from previous seasons. Colton Haynes, a principal cast member for seasons two and three and a special guest actor for seasons four and six, was reinstated as a series regular for the seventh season as Roy Harper. They are joined by Kirk Acevedo as Ricardo Diaz, who was promoted to a series regular from his recurring status in the previous season, and new cast member Sea Shimooka.