Karl recurs as Commander Joe Morton on HBO’s Perry Mason.
Matthew Rhys stars as Perry Mason, with supporting cast including Tatiana Maslany (Orphan Black) and John Lithgow.
Perry Mason the series, set in 1932 Los Angeles, will focus on the origin story of
famed defense lawyer Perry Mason, based on characters from Erle Stanley
Gardner’s novels. Living check-to-check as a low-rent private investigator, Mason
is haunted by his wartime experiences in France and suffering the effects of a
broken marriage. L.A. is booming while the rest of the country recovers from the
Great Depression — but a kidnapping gone very wrong leads to Mason exposing a
fractured city as he uncovers the truth of the crime.