This is a fun and intriguing list! Here are some actors who are frequently typecast as nasty, rude, or otherwise unpleasant characters, making them the perfect on-screen jerks:br br 1. **James Spader**br Known for his roles in "Pretty in Pink," "Less Than Zero," and "The Blacklist," James Spader often plays manipulative, arrogant, and sinister characters that get under our skin.br br 2. **Billy Zane**br His portrayal of the snobbish and cruel Cal Hockley in "Titanic" has made Billy Zane one of the most memorable on-screen jerks in film history.br br 3. **John C. McGinley**br Best known as the abrasive Dr. Perry Cox in "Scrubs," John C. McGinley often plays characters with a sharp tongue and a no-nonsense attitude.br br 4. **William Zabka**br Famously known as Johnny Lawrence in "The Karate Kid" and "Cobra Kai," William Zabka epitomizes the classic bully and antagonist.br br 5. **J.K. Simmons**br His role as the terrifying and domineering music instructor in "Whiplash" earned him an Academy Award and cemented his status as a great on-screen jerk.br br 6. **Christoph Waltz**br With chilling performances as Hans Landa in "Inglourious Basterds" and other villainous roles, Christoph Waltz excels at playing sinister and manipulative characters.br br 7. **Alan Rickman**br The late Alan Rickman gave unforgettable performances as the antagonistic Hans Gruber in "Die Hard" and the complex Severus Snape in the "Harry Potter" series.br br 8. **Sean Penn**br Known for his intense and often unpleasant characters, such as in "Mystic River" and "The Assassination of Richard Nixon," Sean Penn can portray deeply flawed and antagonistic roles.br br 9. **Paul Gleason**br As the strict and authoritarian principal in "The Breakfast Club," Paul Gleason’s portrayal of Richard Vernon made him the quintessential disciplinarian jerk.br br 10. **R. Lee Ermey**br Famous for his role as the harsh and abusive Gunnery Sergeant Hartman in "Full Metal Jacket," R. Lee Ermey’s performances often feature him as the stern, no-nonsense authority figure.br br These actors have a knack for playing characters we love to hate, making them perfect for roles as on-screen jerks.