
After a thirteen‑year lull since the infamous “Lawnmower Killer” murdered her sister, high‑school student Mary Graves teams up with the obsessive detective Dick Harbinger to prevent the killer’s resurgence at the town’s annual Halloween Pumpkin Prom. The film follows their tense hunt, blending teenage drama with a chilling slasher premise.
Does Wacko have end credit scenes?
No!
Wacko does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of Wacko, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.

Andrew Dice Clay
Tony Schlongini

George Kennedy
Mr. Doctor Graves

Charles Napier
Chief O'Hara

Julia Duffy
Mary Graves

Stella Stevens
Mrs. Doctor Graves

Helen Martin
Harbinger's Mother

Joe Don Baker
Dick Harbinger

Anthony James
Zeke

Ben Hartigan
Doctor

Jeff Altman
Harry Palms

Victor Brandt
Dr. Moreau

Christina Cummings
Prom Teacher

Darby Hinton
Rookie Cop

Sonny Carl Davis
Weirdo

Scott Norman
Avalon

E. G. Daily
Bambi

Greydon Clark
Lawnmower Killer

Joshua Daniel
Well-Dressed Student

Dan Frischman
Schlongini Singer

Steve Wagner
Orderly

John Avery
Danny

Janice Davies
Cafeteria Matron

Katina Garner
Woman in Massage Parlor

Scott McGinnis
Norman Bates

Toni Sawyer
Rosie's Mother

Pete Robinson
Harbinger's Brother

Fred D. Scott
Harbinger's Father

Erin Halligan
Gorgeous Young Girl

Alex Preissman
Girl At Prom

Lou Felder
Rosie's Father

Andrew J. Lederer
Schlongini Singer

Michele Tobin
Rosie

Tamar Howard
Little Mary

Michael Lee Gogin
Damien

Karole Selmon
Harbinger's Sister

Jacqulin Cole
Librarian

Michael R. Starita
Referee

Mickey Epps
Plainclothes Cop

Barbara Starita
Prom Chaperone

John E. Bristol
Driver's Education Teacher

David Drucker
The Looney

Wil Albert
Dr. Denton

Claudia Lonow
Pam Graves

Al Nalbandian
Dale

Laura Dashosh
Wandering Jew

Robert Magnus
Teacher

Joseph Jay Camen
Boy In Vice

Paula Jacquard
Girl At Prom

Shelley Doig
Girl At Prom

Larry Wills
Prom Teacher

Michael T. Starita
Boy With Nose

Ronald Kenney
Schlongini Singer

Suzie Harper
Lola

William Driver
Prom Chaperone

Edythe Magnus
Prom Chaperone

Stephen A. MaGinn
Prom Chaperon

Laurie B. McCormick
Prom Chaperone

John Roedel
Prom Chaperone

Mary Ann Roedel
Prom Chaperone

Donna Gaff
Nurse

James Gaff
Patient

Chris Cote
Avalon

Rick Neigher
Avalon

Simon Teolis
Avalon

Mike Mirage
Avalon

Eric Sundt
Swashbuckler
Discover where to watch Wacko online, including streaming platforms, rental options, and official sources. Compare reviews, ratings, and in-depth movie information across sites like IMDb, TMDb, Wikipedia or JustWatch.
It appears Wacko does not have a summary available yet. Please consider requesting one.

Coming soon on iOS and Android
From blockbusters to hidden gems — dive into movie stories anytime, anywhere. Save your favorites, discover plots faster, and never miss a twist again.
Sign up to be the first to know when we launch. Your email stays private — always.
Immerse yourself in the magic of cinema with live orchestral performances of your favorite film scores. From sweeping Hollywood blockbusters and animated classics to epic fantasy soundtracks, our curated listings connect you to upcoming film music events worldwide.
Explore concert film screenings paired with full orchestra concerts, read detailed event information, and secure your tickets for unforgettable evenings celebrating legendary composers like John Williams, Hans Zimmer, and more.
Explore all cars featured in Wacko, including their makes, models, scenes they appear in, and their significance to the plot. A must-read for car enthusiasts and movie buffs alike.
Discover the central themes, ideas, and keywords that define the movie’s story, tone, and message. Analyze the film’s deeper meanings, genre influences, and recurring concepts.
Explore the various alternative titles, translations, and other names used for Wacko across different regions and languages. Understand how the film is marketed and recognized worldwide.
Browse a curated list of movies similar in genre, tone, characters, or story structure. Discover new titles like the one you're watching, perfect for fans of related plots, vibes, or cinematic styles.
What's After the Movie?
Not sure whether to stay after the credits? Find out!
Explore Our Movie Platform
New Movie Releases (2026)
Famous Movie Actors
Top Film Production Studios
Movie Plot Summaries & Endings
Major Movie Awards & Winners
Best Concert Films & Music Documentaries
Movie Collections and Curated Lists
© 2026 What's After the Movie. All rights reserved.