Luke
Acts 26:10BSB·traditional attribution

And that is what I did in Jerusalem. With authority from the chief priests I put many of the saints in prison, and when they were condemned to death, I cast my vote against them.

John Calvin Reformed @genevareformer

10. Which thing I did. He proveth by his very facts with what force of zeal he was carried away to strive against Christ, until greater force did pull him back, and made him go the quite contrary way. Furthermore, his adversaries were witnesses of this his vehemency, so that it was most certain that he was suddenly changed; and undoubtedly the priests would never...

Matthew Henry Presbyterian @wholebiblehenry

Agrippa was the most honourable person in the assembly, having the title of king bestowed upon him, though otherwise having only the power of other governors under the emperor, and, though not here superior, yet senior, to Festus; and therefore, Festus having opened the cause, Agrippa, as the mouth of the court, intimates to Paul a licence given him to speak for himself, Act 26:1.

Commenting on Acts 26:1-11

John Gill Reformed Baptist @doctorgill

Which thing I also did in Jerusalem,.... The metropolis of Judea, where he had had his education, and was well known; here he consented to the death of Stephen, and held the clothes of the witnesses while they stoned him; and here he haled men and women out of their houses, and committed them to prison, and made havoc of the church of Christ, and...