Joe Otterson TV ReporterThe “John Wick” prequel series at Starz, “The Continental,” is rounding out its main cast with five new additions.Mishel Prada (“Vida”) will play KD; Hubert Point Du-Jour (“Blindspot,” “Madame Secretary”) will play Miles; Jessica Allain (“The Laundromat,” “Thriller”) has been cast as Lou; Nhung Kate (“Swapping Fate,” “The Better Man”) has been cast as Yen; and Ben Robson (“Animal Kingdom,” “Vikings”) has been cast as Frankie.The five join previously announced series lead