Smuts became Prime Minister and formed his own cabinet after Hertzog was deposed by the party caucus.

Post
Minister
Term
Party
Prime Minister Gen. Jan Smuts1939
1943
United PartyMinister of DefenceMinister of External AffairsMinister of Agriculture and ForestryThe Hon.
W.R. Collins MP1938
1943
United PartyMinister of Commerce and Industry The Hon.
Richard Stuttaford MP1939
1941
United PartyMinister of Education The Hon.
J.F.H. Hofmeyer MP1939
1943
United PartyMinister of FinanceMinister of Interior Affairs The Hon.
Harry Lawrence MP1939
1943
United PartyMinister of Public HealthMinister of Justice The Hon.
C. F. Steyn MP1939
1943
United PartyMinister of Labour The Hon.
Walter Madeley MP1939
1943
Labour PartyMinister of Social WelfareMinister of LandsThe Hon.
A.M. Conroy MP1939
1943
United PartyMinister of Mines The Hon.
C. F. Stallard MP1939
1943
Dominion PartyMinister of Native Affairs The Hon.
Deneys Reitz MP1939
1943
United PartyMinister of Posts and TelegraphsThe Hon.
C.F. Clarkson MP1939
1943
United PartyMinister of Public WorksMinister without PortfolioThe Hon.
P.V.G. van der Byl MP1939
1943
United Party
Smuts became Prime Minister and formed his own cabinet after Hertzog was deposed by the party caucus.
Post
Minister
Term
Party
Prime Minister Gen. Jan Smuts1939
1943
United PartyMinister of DefenceMinister of External AffairsMinister of Agriculture and ForestryThe Hon. W.R. Collins MP1938
1943
United PartyMinister of Commerce and Industry The Hon. Richard Stuttaford MP1939
1941
United PartyMinister of Education The Hon. J.F.H. Hofmeyer MP1939
1943
United PartyMinister of FinanceMinister of Interior Affairs The Hon. Harry Lawrence MP1939
1943
United PartyMinister of Public HealthMinister of Justice The Hon. C. F. Steyn MP1939
1943
United PartyMinister of Labour The Hon. Walter Madeley MP1939
1943
Labour PartyMinister of Social WelfareMinister of LandsThe Hon. A.M. Conroy MP1939
1943
United PartyMinister of Mines The Hon. C. F. Stallard MP1939
1943
Dominion PartyMinister of Native Affairs The Hon. Deneys Reitz MP1939
1943
United PartyMinister of Posts and TelegraphsThe Hon. C.F. Clarkson MP1939
1943
United PartyMinister of Public WorksMinister without PortfolioThe Hon. P.V.G. van der Byl MP1939
1943
United Party
Fourth Cabinet of J. B. M. Hertzog