'Castle's newest cast member reveals 'mayhem' is coming in season 8. ... Toks Olagundoye, the newest star of ABC's Castle is revealing that there will be "mayhem" ahead in the new season. 'Castle' Star Stana Katic Tweets Sweet Message To Her Co-Stars. Olagundoye is joining Castle for the .... Won't Be On Screen For 'Allegiant: Part 1'?
Castle is adding another new face for season 8. ... Bala's casting comes on the heels of Neighbors star Toks Olagundoye joining the ABC drama as a new series regular. Castle returns Monday, Sept. 21 at 10 p.m. ET on ABC.