Gravitas Ventures has secured North American and Latin American rights to “Billionaire Ransom” from Radiant Films International. The action packed thriller follows “spoiled rich kids who have to fast track growing up to battle kidnappers” and stars Jeremy Sumpter, Sebastian Koch, Phoebe Tonkin, Dominic Sherwood and Ed Westwick. It will arrive in select theaters and be available on demand August 19 in the U.S. and Canada.