First Lady

Sarah Polk

Vice President

George M. Dallas (1845–1849)

Secretary of State

James Buchanan (1845–1849)

Attorney General

Isaac Toucey (1848–1849)

Attorney General

Nathan Clifford (1846–1848)

Attorney General

John Y. Mason (1845–1846)

Postmaster General

Cave Johnson (1845–1849)

Secretary of the Treasury

Robert J. Walker (1845–1849)

Secretary of the Navy

John Y. Mason (1846–1849)

Secretary of the Navy

George Bancroft (1845–1846)

Secretary of War

William L. Marcy (1845–1849)