[5] Professor Johnbull stars Kanayo O. Kanayo in the lead role from whom it derived the name Professor Johnbull Eriweagwuaagwu Macwigwe,[4] Queen Nwokoye as Elizabeth, Angela Okorie as Nje, the house help, Osita Iheme as Jeroboam, Chinedu Okolie known as Flavour and Korede Bello who are musical artists appeared in some of the TV series.
The professor's neighbours troop to his house to resolve all sort of issues, his neighbours and community members prefer taking conflicts to his residence because of his expertise in resolving conflicts morally.
[5][4] His residence is full of constant activities of people coming to seek advice from Professor Johnbull on how to settle disputes among themselves.
[9] Each episode starts with a conflict, which the Professor resolves and ends with a closing quote encouraging the community to portray good conduct, moral rectitude and always upright in dealing with people.
[10][11][4] In 2018, Professor Johnbull was nominated for Best Television Series by Africa Magic Viewers' Choice Awards.