演ずる

えんずる

to act (a part); to play (a role); to perform (a play, etc.); to put on (a production)

JLPT N1 Common word

Meanings

Ichidan verb (-zuru), Transitive
to act (a part); to play (a role)
to perform (a play, etc.); to put on (a production)
to commit (a blunder); to pretend (e.g. to be a good father); to disgrace oneself

Example sentences

彼かれはロミオを演えんずるとポスターに出でていた。

He was billed to appear as Romeo.
彼かれはロミオを演えんずるとプログラムに出でていた。

It says in the program that he's playing Romeo.