Jonathan Torrens as Robert Cheeley: Robert is the vice principal of the school but his bizarre character traits make it difficult for his colleagues to respect him.During Season 8, he is promoted to the role of principal of Xavier Academy. D (Paul Dwyer) returns to Xavier Academy. D by the children and is jealous when the school's actual Mr. Gerry Dee as Gerry Duncan: an under-qualified high school social studies teacher who prefers to be called Mr.D became available for streaming in the United States on Amazon Prime Video. It debuted on the CBC on Januand concluded after eight seasons on December 19, 2018. The series follows the misadventures of an underqualified schoolteacher named Gerry Duncan, nicknamed Mr.
D is a Canadian television series starring comedian Gerry Dee.