William Richards Castle Jr. (1878–1963)

Non-career appointee
State of Residence: District of Columbia
  1. Assistant Secretary of State
    Appointed: February 26, 1927
    Entry on Duty: April 2, 1927
    Termination of Appointment: December 13, 1929
  2. Ambassador Extraordinary and Plenipotentiary (Japan)
    Appointed: December 11, 1929
    Presentation of Credentials: January 24, 1930
    Termination of Mission: Left Japan May 27, 1930
  3. Assistant Secretary of State
    Appointed: June 4, 1930
    Entry on Duty: July 1, 1930
    Termination of Appointment: April 1, 1931
  4. Under Secretary of State
    Appointed: April 1, 1931
    Entry on Duty: April 2, 1931
    Termination of Appointment: March 5, 1933
    • Commissioned during a recess of the Senate; recommissioned after confirmation on Dec 17, 1931.