Ernest VolkmanWriter "Gangbusters" Jack RubySelf (archive footage) Arlyne Weiss-BrickmanHerself Lisa CasertaHerself/Friend of Karen Hill Dan CoxHimself /Founder of Marietta Museum of History Oliver HalleHimself/Former FBI agent Mark GribbenHimself / Organized Crime Historian Karen Hill(archive footage) Bugsy SiegelHimself (Archive footage) 
