Mary Sinclair The Academy of Television Arts & Sciences Foundation Presents 02:26 Tabs Who talks about this person John FrankenheimerView Interview John Frankenheimer on how actress Mary Sinclair stayed so composed on live television 01:43 Maria RivaView Interview Actress Maria Riva on how she became a contract player for CBS in the early 1950s, along with actress Mary Sinclair, John Newland, and (possibly) John Forsythe all of whom then worked on such CBS series of the day as Studio One and Danger 01:43