“The Unknown Man” begins shoot; U.K.’s Channel 4 plugs financial surge; “My Life Is Murder” and “Stella Blomkvist” get renewed; and U.K.’s Channel 5 orders WWII programming. Principal photography on thriller “The Unknown Man,” starring Joel Edgerton (“Boy Erased,” pictured left) and Sean Harris (“Mission Impossible: Rogue Nation,” pictured middle) has begun in South Australia.