"Jonathan Firth is brilliantly enigmatic...."

 "...from the Broadwayworld.uk https://www.broadwayworld.com/westend/article/BWW-Review-WITNESS-FOR-THE-PROSECUTION-London-County-Hall-20211001

"...Jonathan Firth is brilliantly enigmatic as Vole's defence lawyer Sir Wilfred Robert QC and Miles Richardson is probing and disparaging as prosecutor Mr Myers QC. Both actors embrace the melodrama of the courtroom setting. They are completely convincing as intelligent and experienced barristers and their vocal tussles are both credible and compelling..."

and 

"...But it is the legal and personal battle between the two barristers that drives the courtroom scenes. Their examining and cross examining of the witnesses delivers much of the tension that build up through the play. Miles Richardson is forceful as prosecuting QC and is contrasted by a more amiable defence QC, played by Jonathan Firth..."

from https://www.thereviewshub.com/witness-for-the-prosecution-county-hall-london/