Morton Sobell

Self

Michael Meeropol

Self

Bob Considine

Self - International News Service

Sally Kanter Bruin

Self - friend of Ethel Rosenberg

Abe Osheroff

Self - Union Activist

J. Edgar Hoover

Self (archive footage)

Richard Nixon

Self - Vice President (archive footage)

David Greenglass

Self - Ethel Rosenberg's brother

Emanuel Bloch

Self - the Rosenbergs' attorney

Greg Meeropol

Self - grandson of the Rosenbergs