The Vise (later known as Saber of London, also known as Mark Saber) is an American detective drama that was broadcast on ABC (1955-1957) and then moved to NBC (1957-1960). The series is a reboot of the ABC Mystery Theater radio and television series. It was produced by the Danzigers and starred Donald Gray as Mark Saber. It mostly ran during prime time in the late 1950s.