There’s nothing sweet about Ella Purnell in Sweetpea. Starz released a trailer on Thursday for the UK dark comedy which will premiere in the U.S. on Thursday, Oct. 10 at 8/7c. (Subsequent episodes will be released weekly on Fridays at 8 pm.) Purnell stars as Rhiannon, “a quiet wallflower who develops a vengeful and intoxicatingly […]