Here is a list of the visiting cardinals, archbishops and bishops who attended the solemn vespers and ordination and installation Mass for Bishop Michael T.T. Castori, SJ.
- Archbishop Gabriele G. Caccia, the apostolic nuncio to the United States, was a co-consecrator at the ordination and installation Mass.
- Archbishop Salvatore J. Cordileone of the Archdiocese of San Francisco was the principal consecrator at the ordination and installation Mass.
- Bishop Michael C. Barber, SJ, of the Diocese of Oakland was a co-consecrator at the
ordination and installation Mass. - Bishop Emeritus Larry Silva of the Diocese of Honolulu was a co-consecrator at the ordination and installation Mass, and was the presider at the solemn vespers.
Others in attendance:
- Bishop Rey B. Bersabal, Diocese of Sacramento (auxiliary bishop)
- Bishop Artur Bubnevych, Holy Protection of Mary Byzantine Catholic Eparchy of Phoenix
- Bishop Neal James Buckon, Archdiocese for the Military Services, USA
- Bishop Oscar Cantu, Diocese of San Jose
- Bishop Bohdan Danylo, Ukrainian Catholic Eparchy of St. Josaphat (Parma, Ohio)
- Archbishop Paul D. Etienne, Archdiocese of Seattle
- Bishop Kolio Tumanuvao Etuale, Diocese of Samoa-Pago Pago
- Bishop Andres “Andy” C. Ligot, Diocese of San Jose
- Cardinal Soane Patita Paini Mafi, Diocese of Tonga
- Cardinal Roger M. Mahony, Archdiocese of Los Angeles (archbishop emeritus)
- Bishop Jaime Soto, Diocese of Sacramento
- Bishop Chad Zielinski, Diocese of New Ulm (Minnesota)
