Given that South Park's creators just signed a $900 million deal to produce numerous movies and new seasons of their acclaimed Comedy Central animated show, it's no wonder they are ranked as two of the wealthiest stars in Hollywood. Most South Park fans know that Matt Stone and Trey Parker are the masterminds behind the show's success and even voice that vast majority of the characters themselves. But they aren't the only two stars involved.

The truth is, there is only a handful of actors who voice the various characters in the town of South Park. But most of these actors have been with the show since its beginning in 1997. Many of these actors aren't stars people would know. Although the cast does include a Saturday Night Live alumnus who fans don't even know is involved in the show. But just because most of the cast of South Park aren't well-known, doesn't mean they haven't had incredible careers and made a ton of money. Here are the richest cast members on South Park and who they play...

10 Jennifer Howell's Net Worth Is $ 1 - 5 Million

Jennifer is the voice of Bebe on South Park but she's made the majority of her money working on the production of the show as a producer. According to IMDb, she's also worked on Bob's Burgers, The Cleveland Show, and Bordertown.

9 April Stewart's Net Worth Is $1 - 5 Million

April Stewart is the woman behind Wendy, Sharon Marsh, Shelly Marsh, Liane Cartman, and numerous other female characters on South Park. In total, she's contributed her voice to over 190 episodes of the series. She's also an incredibly prolific voice actor and has been in The Legends Of Corra, The Winx Club, as well as various Marvel and Scooby-Doo projects. While Idol Net Worth claims she's worth an unrealistic $235 million, Popular Bio and The Boring Magazine claims she's worth between $1 - $5 million.

8 Mona Marshall's Net Worth Is $1.6 Million

According to NetWorthPost.org, Mona Marshall is worth upwards of $1.6 million. In likelihood, she is worth far more than that as she's been a prominent voice actor for decades. She's done a lot of Japanese anime, an outlandish amount of video games, as well as projects like Digimon. But she is best known for her work in a whopping 212 episodes of South Park voicing characters like Sheila Broflovski, Linda Stotch, and basically, any other woman that appears on the show including celebrities like Paris Hilton.

7 Eliza Schneider's Net Worth Is $8 Million

Eliza Schneider is one of the most prominent video game voice artists in the business. Among her many games, she has contributed to Assassin's Creed, Final Fantasy, and Grand Theft Auto. She also voices Sharon Marsh and various other women who appear on South Park including filling in April Stewart as Liane Cartman.

Related: Why 'South Park' Accurately Predicted The Future More Than 'The Simpsons'

6 Isaac Hayes' Net Worth Was $12 Million

Isaac Hayes famously played Chef on South Park during the how's earlier years. He would've continued with the character had he not had a massive falling out with the show and its creators. Aside from voicing Chef, the late Isaac Hayes made a ton of money during his prolific career as a music producer, singer, and musician. According to Celebrity Net Worth, Isaac also made a ton of money for composing the iconic theme for Shaft.

5 Bill Hader's Net Worth Is $12 Million

Bill Hader is the Saturday Night Live star who has been secretly working as a writer and a voice actor on South Park for years. While the hilarious comedian spends most of his collaboration with the South Park team as a writer, he also voices characters like Ike, the farmer, and celebrities like Alec Baldwin. Bill, of course, has made a ton of money as a comedian, producer, and actor in shows like Barry and in movies like Trainwreck, The Skeleton Twins, Inside Out, and It: Chapter 2.

Related: Was 'South Park' Actually Based On Real People?

4 Adrien Beard's Net Worth Is $20 Million

While Adrien Beard only voices Token Black on the series and all of its properties (such as the video games), he's made his incredible net worth by working in the art department on South Park. Since the beginning of the show, Adrien has done all the storyboarding for the show and has climbed up the ladder since then.

3 Trey Parker's Net Worth Is $600

According to Celebrity Net Worth, Trey Parker is worth $600 million. He and Matt Stone have basically done every project together throughout their careers. This obviously includes creating, producing, writing, and doing the vast majority of the voices in South Park but also Team America: World Police, and their $500 Broadway Show, The Book Of Mormon. The two also produced Kenny V.S. Spenny. As for his characters on South Park, Trey voices Stan, Randy Marsh, Mr. Garrison, Mr. Hanky, Timmy, Ned, and, of course, Cartman.

2 Matt Stone's Net Worth Is $700 Million

It's really no surprise that Matt Stone, the co-creator of South Park is worth a whopping $700 million, according to Celebrity Net Worth. But what accounts for the fact that he's worth $100 million more than his business partner and collaborator, Trey Parker? Well, unlike Trey, Matt hasn't been married and divorced twice and therefore hasn't lost such a significant amount of money in settlements and alomony. Matt voices Kyle, Kenny, Butters, Craig, Pip, Jesus, and Gerald Broflovski.

Related: These Celebrities Really Hated Being Parodied On 'South Park'

1 Elon Musk's Net Worth Is $266 Billion

While this may be a little bit of a cheat, the creators of South Park broke one of their biggest rules to allow one of the richest men in the world to voice himself. Usually, all the celebrities portrayed on the show are voiced by Matt and Trey themselves, but this wasn't the case for the three times the character of Elon Musk has appeared on the show. Elon was happy to be parodied on the show and was even happier to voice the character himself, according to a Tweet he shared.

Next: Why Was Jennifer Aniston In An Early Episode Of 'South Park'?