The New Demigods: A Complete Guide To The Percy Jackson And The Lightning Thief Cast (Disney+ Series)

The *Percy Jackson* universe has never been more vibrant, and the cast at the heart of the Disney+ adaptation is the freshest news for fans of the demigod world. While the original 2010 movie introduced a generation to the story of a modern demigod, the current, critically acclaimed series, Percy Jackson and the Olympians, has completely redefined the roles, bringing the beloved characters from *The Lightning Thief* to life with unprecedented faithfulness and a new generation of talent. As of late 2024 and heading into 2025, the focus is squarely on the returning heroes and the exciting new additions for the highly anticipated Season 2, which adapts the second novel, *The Sea of Monsters*.

This comprehensive guide dives deep into the cast, providing full biographies for the core trio and revealing the newest actors joining the quest to save Camp Half-Blood. From the son of Poseidon to the daughter of Zeus, here is the complete, updated list of the actors who are making the demigod world a reality.

The Core Trio: Demigod Biographies and Filmography

The success of the Disney+ series, which faithfully adapted the events of *The Lightning Thief* in its first season, rests on the shoulders of its three young leads. These actors have not only captured the essence of Percy, Annabeth, and Grover but are also confirmed to return for the second season, *The Sea of Monsters*, making their profiles the most current and relevant information for fans.

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Walker Scobell as Percy Jackson (Son of Poseidon)

• Full Name: Walker Scobell
• Date of Birth: January 5, 2009
• Birthplace: Virginia, United States
• Notable Works: Walker Scobell gained immediate attention for his debut role in the Netflix film *The Adam Project* (2022), where he played the younger version of Ryan Reynolds' character. He also starred in the action-comedy film *Secret Headquarters* (2022).
• Role Insight: Scobell’s portrayal of Percy is characterized by his quick wit, sarcasm, and underlying loyalty, capturing the voice that fans know from the books. His casting was praised for his ability to handle both the comedic timing and the emotional depth required of the lead demigod.

Leah Sava Jeffries as Annabeth Chase (Daughter of Athena)

• Full Name: Leah Sava Jeffries
• Date of Birth: September 25, 2009
• Birthplace: Detroit, Michigan, United States
• Notable Works: Jeffries began her career in television, appearing in the musical drama *Empire* and the comedy series *Rel*. She made her feature film debut in the Universal Pictures thriller *Beast* (2022), starring alongside Idris Elba.
• Role Insight: As the strategic Annabeth, Jeffries embodies the character's "wise girl" intelligence and fierce determination. Her chemistry with Scobell and Simhadri is central to the trio's dynamic, which is the heart of the quest narrative.

Aryan Simhadri as Grover Underwood (Satyr)

• Full Name: Aryan Simhadri
• Date of Birth: May 6, 2006
• Birthplace: Ventura, California, United States
• Notable Works: Simhadri is known for his starring role as Rohan in the Disney Channel original movie *Spin* (2021), which was notable for featuring a Southeast Asian cast in the lead roles. His film debut was in *The Spongebob Movie: Sponge on the Run* (2020).
• Role Insight: Simhadri plays Grover, Percy's best friend and protector, with a perfect blend of anxiety, loyalty, and heart, fully capturing the satyr's nervous but brave demeanor. His character is crucial as Percy's sidekick and is set for a major storyline in Season 2.

New Faces for the Quest: Season 2 (The Sea of Monsters) Cast Updates

The second season of *Percy Jackson and the Olympians* is set to adapt *The Sea of Monsters*, which introduces several fan-favorite characters critical to Percy's next adventure. The following actors are the newest confirmed additions to the cast, representing the most current information available for the series.

Daniel Diemer as Tyson

One of the most anticipated new characters is Tyson, Percy's half-brother—a Cyclops. Daniel Diemer has been officially cast in the pivotal role of Tyson for Season 2. Diemer, known for his previous work in the series *The Midnight Club*, is tasked with bringing to life the shy, awkward, and endearing Cyclops who quickly becomes one of Percy's most powerful allies. His casting is a major development, as Tyson’s arc is central to the emotional core of the *Sea of Monsters* storyline, exploring themes of family, acceptance, and the true meaning of strength.

Tamara Smart as Thalia Grace

Another major new demigod joining the cast is Thalia Grace, the daughter of Zeus. Tamara Smart has been announced to portray Thalia, a character whose past is deeply intertwined with Percy and Annabeth's history and whose presence is felt even when she is not physically present. Smart, known for her roles in *Resident Evil* and *Are You Afraid of the Dark?*, brings a strong, commanding presence to the role of the fearless, punk-rock demigod. Her character’s complex relationship with the gods and her history with Camp Half-Blood will introduce a new layer of tension and backstory to the series' narrative.

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Dior Goodjohn as Clarisse La Rue

While Clarisse La Rue was introduced in Season 1, her role becomes significantly expanded in *The Sea of Monsters*, transforming her from a primary antagonist into a reluctant ally. Dior Goodjohn returns to the role of Clarisse, the powerful and often aggressive daughter of Ares. Goodjohn’s portrayal perfectly captures the competitive and fierce nature of the character, and her expanded screen time in Season 2 will allow for a deeper exploration of Clarisse's own quest and her complicated relationship with Percy and the other demigods.

The Olympian and Supporting Cast: A Lineage of Authority

The world of *Percy Jackson* is populated by an incredible ensemble of established actors who bring the Greek gods and other mythological figures to life. Their involvement lends significant topical authority to the series, bridging the gap between young talent and seasoned performers. Many of these actors, who appeared in the first season's adaptation of *The Lightning Thief*, are expected to return in some capacity for Season 2, especially in flashback or cameo roles, solidifying the continuous narrative.

Key supporting cast members who set the stage for the demigods' adventures include:

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• Virginia Kull as Sally Jackson: Percy’s fiercely protective and loving mortal mother.
• Glynn Turman as Chiron: The wise centaur and activities director at Camp Half-Blood.
• Jason Mantzoukas as Dionysus (Mr. D): The grumpy, wine-loving god of wine forced to run the camp.
• Lance Reddick as Zeus: The King of the Gods (Season 1).
• Toby Stephens as Poseidon: The God of the Sea and Percy's father (Season 1).
• Lin-Manuel Miranda as Hermes: The messenger of the gods.
• Jay Duplass as Hades: The God of the Underworld.
• Adam Copeland as Ares: The God of War.
• Timothy Omundson as Hephaestus: The God of Fire and Forging.
• Suzanne Cryer as Echidna: The Mother of Monsters.

The continued presence of these high-profile actors reinforces the commitment of the Disney+ series to the mythological scale of the source material. Their performances, particularly those of the Olympian gods, ground the fantastical elements of the story in recognizable dramatic talent, ensuring that the demigods' quests feel consequential and epic.

The Future of the Demigods: What’s Next for the Cast

With the first season successfully adapting *The Lightning Thief* and Season 2, *The Sea of Monsters*, already in or nearing release (with a projected release window in late 2025), the cast is poised for even greater fame. The series has not only launched the careers of Walker Scobell, Leah Sava Jeffries, and Aryan Simhadri but has also set a new standard for young adult fantasy adaptations. The core cast's commitment to portraying the characters accurately, combined with the introduction of major new players like Daniel Diemer's Tyson and Tamara Smart's Thalia, ensures that the topical authority of the *Percy Jackson* universe remains strong.

Fans are eagerly anticipating how the returning cast will handle the deeper emotional and physical challenges of the second book, which sees the heroes embark on a dangerous voyage to the Sea of Monsters (known to mortals as the Bermuda Triangle). The casting choices, which have been closely overseen by author Rick Riordan, demonstrate a dedication to capturing the spirit of the books, making the Disney+ series the definitive live-action representation of the *Lightning Thief* era and beyond. The journey of these young actors is just beginning, promising years of exciting demigod adventures.