John Mark
Mark 14:54BSB·traditional attribution

Peter followed Him at a distance, right into the courtyard of the high priest. And he sat with the officers and warmed himself by the fire.

Matthew Henry Presbyterian @wholebiblehenry

We have here Christ's arraignment, trial, conviction, and condemnation, in the ecclesiastical court, before the great sanhedrim, of which the high priest was president, or judge of the court; the same Caiaphas that had lately adjudged it expedient he should be put to death, guilty or not guilty (Joh 11:50), and who therefore might justly be excepted against as partial. I.

Commenting on Mark 14:53-65

John Gill Reformed Baptist @doctorgill

And there arose certain,.... Two false witnesses, as in Mat 26:60, who stood up in court; for witnesses were obliged to stand, whilst they gave in their testimony: "says R. Bo, in the name of R. Hona, witnesses ought "to stand", whilst they bear witness; as it is said, Deu 19:17. "Both the men shall stand" (m), &c.'' And bare false witness against him, saying; as follows. (m) T. Herios.

Adam Clarke Methodist @methodicalclarke

Peter followed - On Peter's denial, see Mat 26:57, etc. At the fire - Προς το φως, literally, at the light, i.e. a fire that cast considerable light, in consequence of which, the maid servant was the better able to distinguish him: see Mar 14:67.