Fourth government of Luis Muñoz Marín
This fourth and last government of Luis Muñoz Marín followed his third reelection. In many ways it was a continuation of the previous government, with one change in positions, the Secretary of Labor, and the same amount of supermajoritarian control of the Senate of Puerto Rico and House of Representatives of Puerto Rico. Meanwhile the opposition composition shifted, with the entrance of the Partido Acción Cristiana with one senator and one representative, the Puerto Rican Independence Party dropping out of representation thresholds, and the Partido Estadista Republicano solidifying its status as the main opposition party, their presence bolstered by virtue of the effects of . Party breakdown 
Party breakdown of cabinet members, not including the governor:

The cabinet was composed of members of the PPD and two independents or technical positions (or people whose membership in a party was not clearly ascertained from any available media). Members of the Cabinet 
The Puerto Rican Cabinet was led by the Governor alone in this period. The Cabinet was composed of all the Secretaries of the  executive departments of the Commonwealth government, which at this time was limited to a small number of offices as delineated initially in the Constitution. Notes

References 

Government of Puerto Rico
Governors of Puerto Rico
Members of the Cabinet of Puerto Rico by session
Cabinet of Puerto Rico