Hugo Weaving revealed that he will reprise his role of Frank Harkness in the fifth season of “Slow Horses” and will go to London in January for filming. In addition, the actor also provided an update on the sequel to “The Adventures of Priscilla, Queen of the Desert.” “I texted the director [Stephan Elliott] this morning. I have another script to read. I’ve read about five drafts,” Weaving said.