The notion that to be alive is to be an actor, necessarily, is not new, but Mr. Thomson treats it with forensic intensity, through increasingly subtle and revelatory variations.

Virgil Garnett Gaines Thomson, 44, is a chub-cheeked, baldish, chirrupy, witty, exquisitely cultivated native of Kansas City. A piano-prodigious only son, he went to the same high school as ...

Attempting to recall the Guthrie shows in which you’ve seen Peter Thomson? Try picturing him in a waistcoat. With the theater’s “1776,” “Jane Eyre,” “Pride and Prejudice,” “H.M.S ...