The Neighbors alum Toks Olagundoye has joined the cast of ABC drama Castle as a new series regular in Season 8. She will play Hayley Vargas,a quick-witted, free-spirited, former Scotland Yard police officer who works as a security specialist and is not afraid to cross lines to get things done. Olagundoye, repped by APA and Shelter Entertainment, played the extra-terrestrial Jackie Joyner-Kersee on ABC’s The Neighbors. Her other TV credits include The Fosters, and Amazon pilot Salem Rogers: Model Of The Year, 1998. Castle Season 8 premieres September 21.