The Scooby-Doo Cast: Where Are The Original Stars Now? Plus The New Netflix Live-Action Series Cast Update

The Scooby-Doo cast has undergone countless changes since Mystery Inc. first hit the airwaves in 1969, but the core essence of the legendary mystery-solving gang remains a cultural cornerstone for generations of fans. As of December 10, 2025, the biggest news buzzing in the world of Scooby-Doo is the highly anticipated new live-action series greenlit by Netflix, which promises to introduce a whole new generation of actors to the iconic roles of Fred, Daphne, Velma, and Shaggy.

This article dives deep into the history of the actors who brought the characters to life, from the original voice acting legends of Scooby-Doo, Where Are You! to the beloved live-action stars of the 2000s films, and provides the most up-to-date information on the new cast members expected to take the wheel of the Mystery Machine in the coming years. The legacy of the franchise is defined by the incredible talent who have donned the ascots, turtlenecks, and green tees.

The Voice Acting Legends: The Original Mystery Inc. Cast Biography

The foundation of the entire Scooby-Doo franchise was laid by five phenomenal voice actors in the original 1969 series, Scooby-Doo, Where Are You! Their performances set the standard for every iteration that followed, cementing their status as true voice acting royalty. The original cast is a crucial part of the show's history, a testament to the enduring power of classic Hanna-Barbera animation.

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• Scooby-Doo (Original Voice: Don Messick): Don Messick, a prolific voice actor, originated the voice of Scooby-Doo, giving the Great Dane his signature, lovable, and often frightened speech pattern. Messick voiced Scooby for 27 years until his retirement in 1996. He was also the original voice of Bamm-Bamm Rubble and Ranger Smith. Messick passed away in 1997.
• Shaggy Rogers (Original Voice: Casey Kasem): Casey Kasem, renowned for hosting the popular radio show American Top 40, was the original and most iconic voice of Norville "Shaggy" Rogers. Kasem voiced the perpetually hungry and nervous teenager for nearly 40 years, only stepping away from the role due to creative differences over Shaggy's diet in the mid-1990s, but later returning. Kasem passed away in 2014.
• Fred Jones (Original Voice: Frank Welker): Frank Welker is the only original cast member still actively involved in the franchise. He began as the voice of the trap-designing leader, Fred Jones, in 1969. After Don Messick’s passing, Welker took over the voice of Scooby-Doo, becoming the current, long-running voice for the dog. He is a voice acting legend, known for thousands of roles, including Megatron in Transformers.
• Daphne Blake (Original Voices: Stefanianna Christopherson & Heather North): The original voice of Daphne, the "danger-prone" fashionista, was Stefanianna Christopherson for the first season. However, Heather North took over the role in the second season of Where Are You! and continued to voice Daphne for decades across various series and specials, becoming the definitive voice for many fans. North passed away in 2017.
• Velma Dinkley (Original Voice: Nicole Jaffe): Nicole Jaffe was the original voice of the brainy, orange-turtleneck-wearing Velma Dinkley. She voiced Velma until 1974. Jaffe later stepped away from voice acting, but her distinct, intellectual tone established the character's persona.

The Enduring Modern Cast and Live-Action Legacy

The success of Scooby-Doo has led to numerous animated reboots, direct-to-video films, and two major live-action theatrical releases. This has introduced a new generation of talented actors who have left their own indelible mark on the characters, proving that the Mystery Inc. roles are generational.

The Iconic 2002 Live-Action Movie Cast

For many millennials, the 2002 and 2004 live-action films, written by James Gunn, are the definitive on-screen versions of the gang. The casting was widely praised for capturing the spirit of the characters.

• Shaggy Rogers: Matthew Lillard: Lillard’s portrayal of Shaggy was so spot-on that he was later hired to take over the voice role in the animated series after Casey Kasem’s retirement. Lillard has been the primary voice of Shaggy for over a decade, making him a central pillar of the modern franchise.
• Fred Jones: Freddie Prinze Jr.: Prinze Jr. played Fred, bringing a slightly more self-absorbed, yet still well-meaning, leader to the screen.
• Daphne Blake: Sarah Michelle Gellar: Gellar, Prinze Jr.’s wife, played Daphne, giving the character a more active, martial-arts-proficient edge in the films.
• Velma Dinkley: Linda Cardellini: Cardellini’s Velma was celebrated for her portrayal of the character's intelligence and social awkwardness, earning high praise from fans and critics alike.

The enduring popularity of these films is a key reason why the casting of any new live-action project is met with such intense scrutiny. Matthew Lillard, in particular, has successfully bridged the gap between live-action and voice acting, a rarity in Hollywood.

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The Current Animated Voice Actors

While Frank Welker and Matthew Lillard hold the reins for Scooby and Shaggy, the other two members of Mystery Inc. are currently voiced by other talented professionals in the various ongoing series and films, such as Scooby-Doo and Guess Who? and the recent animated movie Scoob!:

• Fred Jones & Scooby-Doo: Frank Welker: Still the voice of Fred and the current voice of Scooby-Doo.
• Shaggy Rogers: Matthew Lillard: The definitive modern voice of Shaggy.
• Daphne Blake (Current Voice): Grey Griffin: A voice acting veteran who has voiced Daphne in numerous projects since the early 2000s, including What's New, Scooby-Doo? and the popular Scooby-Doo! Mystery Incorporated.
• Velma Dinkley (Current Voice): Kate Micucci: Known for her comedic roles, Micucci has been the primary voice of Velma since 2015, bringing a unique energy to the role.

The Highly Anticipated New Live-Action Cast: Netflix Series Updates

The most significant and current development for the Scooby-Doo cast is the upcoming live-action series for Netflix. Announced in early 2024 and currently in active development, this new series is set to be an eight-episode order and will feature a younger cast, signaling a fresh take on the Mystery Inc. origin story. The project is being produced by Warner Bros. Television, ensuring a high-quality, canonical approach to the beloved characters.

What We Know About the New Cast and Production

As of late 2025, concrete casting for the four human leads—Fred, Daphne, Velma, and Shaggy—is still under wraps, fueling intense fan speculation and fancasting across social media. The producers are reportedly seeking fresh, young talent to anchor the first-ever live-action series adaptation of the classic Hanna-Barbera property.

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• Scooby-Doo (Voice Actor Confirmed): Frank Welker: In a move that connects the original series to the newest adaptation, legendary voice actor Frank Welker has been confirmed to return as the voice of Scooby-Doo for the Netflix series. This ensures that the heart of the franchise will maintain a familiar and beloved sound.
• The Human Cast (Fred, Daphne, Velma, Shaggy): The series is expected to feature a new, young cast, departing from the 2002 movie actors. The casting process is focused on finding actors who can embody the spirit of the characters while appealing to a modern audience. There has been unconfirmed industry buzz about potential surprise guest stars, including a rumor about Danny DeVito, but no official announcements have been made regarding the human stars.
• Production Timeline: The eight-episode series is moving forward with an expected production start in the near future, indicating a potential premiere date in 2026. The shift to a live-action series format allows for a deeper dive into the characters’ relationships and the mysteries they solve beyond the typical two-hour movie runtime.

The decision to bring back Frank Welker as the voice of Scooby-Doo is a masterstroke of continuity, bridging the gap between the original Scooby-Doo, Where Are You! series and the newest live-action endeavor. Fans are eagerly awaiting the final casting announcements for the new Fred, Daphne, Velma, and Shaggy, who will undoubtedly become the next generation's defining faces of Mystery Inc., carrying the torch of this enduring pop culture phenomenon.