John Rubinstein is an actor who portrayed the First Prefect in The Orville episode All the World is Birthday Cake.
Background[]
He played John Evansville in Star Trek: Voyager episode The 37s, as well as a Mazarite captain and Minister Kuvak in Star Trek: Enterprise.
The Orville[]
Rubinstein played the main antagonist of the Season 2 episode All the World is Birthday Cake as the First Prefect of the Regorian people.