Westworld actor Aurora Perrineau has said she didn’t know about her character’s identity until they were filming the fourth season.In the third episode of season four, Perrineau plays a character introduced as C, who is among a group of rebels encountered in the desert by Bernard (Jeffrey Wright) and Stubbs (Luke Hemsworth), as they pursue a weapon to take down Charlotte Hale (Tessa Thompson).In fourth episode ‘Generation Loss’ , which aired on Sunday (July 17), it’s revealed that C is actually the grown-up version of Caleb’s (Aaron Paul) daughter Frankie. The weapon discovered by Bernard and C is also the dead body of Maeve (Thandiwe Newton) – indicating she is the key to setting humanity and the hosts free from Hale’s copy of Dolores.Speaking to The Hollywood Reporter about the twist, Perrineau confirmed she had no knowledge of her character’s identity prior to filming episode four.“Nothing, I didn’t know anything,” Perrineau said.