The first proper trailer for HBO’s new version of Perry Mason has been released.

The show stars Matthew Rhys as the titular ‘tec.

The series in an origin story of the famed criminal defense attorney. Mason is plying his trade amid the crosscurrents of 1931 Los Angeles. It’s the Great Depression, but the city is also experiencing an oil boom, hosting the Olympic Games and, of course, the centre of a growing film industry.

The cast includes John Lithgow, Tatiana Maslany, Juliet Rylance, Chris Chalk, Shea Whigham, Stephen Root, Gayle Rankin, Nate Corddry, Veronica Falcon, Jefferson Mays, Lili Taylor, Andrew Howard, Eric Lange and Robert Patrick.

The show counts Robert Downey Jr among its executive producers. It debuts on HBO on 21st June.