when Agrippa was come, and Bernice, with great pomp - in the same city in which their father, on account of his pride, had perished, eaten up by worms [Wetst].
with the chief captains - (See on Act 21:32). Josephus [Wars of the Jews, 3.4.2] says that five cohorts, whose full complement was one thousand men, were stationed at Caesarea.
principal men of the city - both Jews and Romans. “This was the most dignified and influential audience Paul had yet addressed, and the prediction (Act 9:15) was fulfilled, though afterwards still more remarkably at Rome (Act 27:24; 2Ti 4:16, 2Ti 4:17) [Webster and Wilkinson].