sentences:  USA Today was disappointed with the new cast, but was excited for the return of old characters, saying "The only familiar face belongs to Mary Lynn Rajskub's belovedly difficult Chloe — though soon you'll be treated to the startling return of Annie Wersching's Renee Walker.Pray for that moment, because once Walker's story takes over in the fifth hour, it pulls Jack away from the CTU office, which is where most of the season's problems reside.Sackhoff has been saddled with a particularly weak plot and character.