Dennis’s maternal grandfather, Mr. Johnson (George Kennedy), moves in with the Mitchells, causing George to feel old and jealous of his more active counterpart.
Seizing on George's insecurity about aging, two con artists—the Professor (Brian Doyle-Murray) and his assistant Sylvester (Carrot Top)—try to swindle George out of $10,000 for a fake "youth potion". Dennis the Menace Strikes Again!
as George Wilson (This was Rickles' final live-action film performance before his death in 2017) Betty White as Martha Wilson George Kennedy as Mr. Johnson Brian Doyle-Murray & Carrot Top as the villainous con men Critical Reception and Production Facts Dennis the Menace Strikes Again! (Video 1998) - IMDb Dennis’s maternal grandfather, Mr
The film is notable for its ensemble of legendary comedic actors: as Dennis Mitchell Dennis’s maternal grandfather