EXCLUSIVE : Mark Williams has rounded out the cast of his indie drama Hal , starring Alexander Ludwig and Emma Roberts. Newcomers include Matthew Goode ( Department Q ), Kate Walsh ( Grey’s Anatomy ), Taylor John Smith ( Where the Crawdads Sing ), Garret Dillahunt ( No Country for Old Men ), Robert Patrick ( Terminator 2: Judgment Day ), Colm Meaney ( Star Trek: The Next Generation ), Justin Bartha ( The Hangover ), Nicolette Sheridan ( Desperate Housewives ), Maurice Compte ( Narcos ), Kevin Chapman ( Person of Interest ), Ian Bohen ( Yellowstone ), Chris Diamantopoulos ( Silicon Valley ), Jason Kennedy ( E! News ), and Robert Treveiler ( The Accountant ). We’re told Goode will portray the father of Ludwig’s title character, Hal. Further character details are under wraps. Watch on Deadline Written by Mark Edwin Robinson, Hal is inspired by the true story behind the founding of humanitarian organization Convoy of Hope.…