“Then the high priest rose up, and all they that were with him, (which is the sect of the Sadducees,) and were filled with indignation,”
King James Version (KJV)
5:17 The high priest - and the sect of the Sadducees - A goodly company for the priest! He, and these deniers of any angel or resurrection, were filled with zeal - Angry, bitter, persecuting zeal.
Ac 5:17 Then the high priest rose up. Was stirred to action. Annas is, no doubt, meant. See PNT "Ac 4:6". All they that were with him. His sect, the Sadducees, co-operated with him. They were determined to stop the preaching of the resurrection. See PNT "Ac 4:1".