Barricade the doors. Lock the windows. Because he's baaaack. That one-boy wrecking crew, Dennis the Menace, returns for more mischief and mayhem. Based on the comic strip and TV show about a mischievous little boy with a gift for the potentially lethal prank.
| Actor | Role |
|---|---|
 Don RicklesGeorge Wilson | George Wilson |
 George KennedyMr. Johnson | Mr. Johnson |
 Justin CooperDennis Mitchell | Dennis Mitchell |
 Betty WhiteMartha Wilson | Martha Wilson |
 Brian Doyle-MurrayProfessor | Professor |
 Carrot TopSylvester | Sylvester |
 Dwier BrownHenry Mitchell | Henry Mitchell |
 Heidi SwedbergAlice Mitchell | Alice Mitchell |
| KKeith ReeceGunther | Gunther |
 Jacqueline SteigerMargaret | Margaret |
| DDanny TurnerJoey | Joey |
 Alexa PenaVegaGina | Gina |
| DDanny BreenFireman #1 | Fireman #1 |
| BBrooke CandyGirl at Diving Board | Girl at Diving Board |
| TTom ForrestDriver | Driver |
 Brian HabichtGuy at Dart Booth | Guy at Dart Booth |
| DDarrell HarrisFireman #2 | Fireman #2 |
 Angelo TiffeTicket Taker | Ticket Taker |
 John ZarchenParamedic | Paramedic |
 Louis Perez(uncredited) | (uncredited) |
 George WendtPoliceman (uncredited) | Policeman (uncredited) |