The Hon. Sir Fred Chaney Sr.KBEAFC (1914–2001) (Class of 1932, CBC Perth) – Minister for the Navy 1964–1966, MHR for Perth 1955–1969
The Hon. Fred Chaney Jr. AO[1] (Class of 1957) – Minister for Administrative Services 1978, Minister for Aboriginal Affairs 1978–1980, Minister for Social Security 1980–1983, Senator for Western Australia 1974–1990, MHR for Pearce 1990–1993
The Hon. Peter DurackQC (1926–2008) (Class of 1942) – Minister for Veterans Affairs 1976–1977, Attorney-General 1977–1983, Senator for Western Australia 1971–1993
Legislative
Chris Back (Class of 1966) – Senator for Western Australia 2009–2017
State
Executive
The Hon. Sean L'Estrange (Class of 1985) – Minister for Finance 2016–2017, Minister for Mines & Petroleum 2016–2017, Minister for Small Business 2016–2017, MLA for Churchlands 2013–2021
The Hon. Emil Nulsen (1885–1965) (Class of 1903, CBC Perth) – Minister for Justice 1939–1947 and 1952–1959, Minister for Railways 1939–1945, Minister for Health 1945–1947 and 1953–1959, MLA for Kanowna 1932–1950, MLA for Eyre 1950–1962
The Hon. Ben Wyatt (Class of 1991) – Treasurer 2017–2021, Minister for Finance 2017–2021, Minister for Aboriginal Affairs 2017–2021, Minister for Energy 2017–2018, Minister for Lands 2018–2021, MLA for Victoria Park 2006–2021
Geoff Churack AM[1] (Class of 1955) – businessman and philanthropist
David Fenbury (1916–1976) (Class of 1932, CBC Perth) – senior public servant, delegate to the secretariat of the Trusteeship Council of the United Nations, New York