What's the noun for pantomimist? Here's the word you're looking for.
pantomime
(now rare) A Classical comicactor, especially one who works mainly through gesture and mime. [from 17th c.]
(historical) The drama in ancient Greece and Rome featuring such performers; or (later) any of various kinds of performance modelled on such work. [from 17th c.]
(Britain) A traditional theatrical entertainment, originally based on the commedia dell'arte, but later aimed mostly at children and involving physical comedy, topical jokes, call and response, and fairy-tale plots. [from 18th c.]
“MacMillan, like Balanchine, deplored the use of pantomime to convey plot and relationships.”
“It celebrates a teenage girl named Hellas, who had worked as a pantomime dancer in the Julio-Claudian or slightly later period, and was memorialized as such by her proud father Sotericus.”
“Freksa himself had written a stage pantomime, Sumurun, which was staged by Max Reinhardt in 1910.”
“Excepting the pantographs and the lazy tongs, which could be purchased commercially, most of the rod and bar systems were the extemporisations of individual engineers.”
“High level access is provided on lines 9 and 10 for servicing of equipment boxes and pantographs.”
“Numatic International Limited makes vacuum cleaners in Chard, and Brecknell Willis, a railway engineering company on the A30, makes pantographs.”