Mark Saber refers to a half-hour 1950s detective television series that took different forms and titles during its run. Tom Conway portrayed Mark Saber as a plainclothes English detective working with the Homicide Division of the N.Y.P.D. in Mystery Theater which aired on ABC from October 1951 to June 1954. Donald Gray portrayed Mark Saber as a one-armed private detective based in London in The Vise which aired on ABC from September 1955 to June 1957. Donald Gray also portrayed Mark Saber in Saber of London which aired on NBC from October 1957 to May 1960.