SEE - July 25th: Yesterday, CBS announced former secretaries Hillary Clinton, Madeleine Albright and Colin Powell will appear on drama's fifth season premiere on Oct. 7.
CBS said star Tea Leoni, in her role as Secretary of State Elizabeth McCord, seeks their advice.
Clinton tweeted it was wonderful to spend some time on the set.
Albright previously appeared on the show during its second season.
Clinton was secretary of state under President Barack Obama. Powell was President George W. Bush's top diplomat, and Albright was the first woman to become secretary of state, during President Bill Clinton's administration.
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