The Ultimate Guide To The Phineas And Ferb Cast Revival: Who’s Back, Who’s New, And The Shocking Recasts For Season 5
The summer vacation is officially back, and the biggest question on every fan's mind is: who is in the new *Phineas and Ferb* cast? As of late 2025, the Emmy-winning animated series is gearing up for its highly anticipated fifth season, bringing back the iconic stepbrothers, their constantly-busting sister, and a platypus secret agent. This new revival, set to debut on Disney+, features the return of nearly the entire original voice cast, but with a few significant and surprising changes that have caught the attention of the Danville fandom.
The core team of creators and many fan-favorite voices are reprising their roles, ensuring the show’s classic, high-energy formula remains intact. However, a major recasting for the quiet, inventive Ferb Fletcher and a subtle shift for Candace's crush, Jeremy Johnson, mark the most notable updates for the 2025 return. We dive deep into the full, updated cast list, the biographical details of the main stars, and the reasons behind the key voice actor changes.
The Core Phineas and Ferb Cast: Full Biography and New Season Roles
The success of *Phineas and Ferb* lies entirely in the chemistry of its voice actors. The return of these industry veterans for the new season is a major win for the Disney Branded Television revival. Here is a detailed look at the main cast members, their roles, and their notable careers outside of the Tri-State Area.
- Vincent Martella (Phineas Flynn)
- Role: The optimistic, inventive, and titular stepbrother, Phineas.
- Biography: Born October 15, 1992, Martella is an American actor and singer.
- Notable Works: He is widely recognized for his live-action role as Greg Wuliger on the UPN/CW sitcom *Everybody Hates Chris* (2005–2009) and as the voice of Phineas across all original series, movies, and the new Season 5.
- David Errigo Jr. (Ferb Fletcher)
- Role: Phineas's silent, green-haired, British stepbrother, Ferb.
- Biography: Born June 29, 1986, Errigo Jr. is an American actor and voice actor.
- Notable Works: He is the new voice of Ferb, having taken over the role from Thomas Brodie-Sangster for *Phineas and Ferb the Movie: Candace Against the Universe* (2020) and now reprising it for the Season 5 revival. He also voiced Dudley in *Ridley Jones*, earning an Emmy nomination.
- Ashley Tisdale (Candace Flynn)
- Role: Phineas and Ferb's 15-year-old sister, Candace, who is obsessed with "busting" her brothers.
- Biography: Born July 2, 1985, Tisdale is a prolific American actress, singer, and producer.
- Notable Works: She is a major Disney icon known for playing Maddie Fitzpatrick on *The Suite Life of Zack & Cody* and Sharpay Evans in the *High School Musical* film series. She has been the voice of Candace since the show's inception.
- Dan Povenmire (Dr. Heinz Doofenshmirtz)
- Role: The evil (but often incompetent) scientist, Dr. Doofenshmirtz.
- Biography: Born September 18, 1963, Povenmire is a co-creator of the series, alongside Jeff "Swampy" Marsh.
- Notable Works: His extensive career in animation includes directing, writing, and storyboarding for major shows like *The Simpsons*, *Family Guy*, *Rocko's Modern Life*, and *SpongeBob SquarePants*. He also co-created *Milo Murphy's Law*.
- Alyson Stoner (Isabella Garcia-Shapiro)
- Role: The Fireside Girls leader and Phineas's devoted next-door neighbor, Isabella.
- Biography: Born August 11, 1993, Stoner is an American actor, singer, and dancer who uses they/them pronouns.
- Notable Works: They are known for their roles in the *Cheaper by the Dozen* films (2003–2005) and the *Step Up* film series. Stoner also founded Movement Genius, a mental health platform.
The Biggest Cast Changes for the Phineas and Ferb Revival: Ferb and Jeremy Recast
While the return of the original cast members—Vincent Martella as Phineas, Ashley Tisdale as Candace, and co-creator Dan Povenmire as Dr. Doofenshmirtz—is a cause for celebration, the new Season 5 features two significant recasts that have been confirmed for the 2025 release. These changes primarily involve actors who were unable to return due to scheduling conflicts or other commitments.
Why Thomas Brodie-Sangster Was Replaced as Ferb
The most notable casting change is the voice of Ferb Fletcher. For the original four seasons, Ferb was voiced by British actor Thomas Brodie-Sangster. However, for the 2025 revival, the role is officially being filled by David Errigo Jr.
Brodie-Sangster, known for his roles in *Love Actually*, *Game of Thrones*, and *The Maze Runner* series, did not return to the role. Errigo Jr., an accomplished voice actor, is not new to the character; he first took over the role for the 2020 Disney+ film, *Phineas and Ferb the Movie: Candace Against the Universe*. His performance was well-received, making him the logical choice to continue as the voice of the quiet, inventive stepbrother in the new season.
The seamless transition ensures that Ferb's signature, though infrequent, lines will maintain the same unique tone that fans expect, even with a different actor behind the microphone.
The Unconfirmed Recast of Jeremy Johnson
Another subtle but important casting change involves Jeremy Johnson, Candace's long-time crush and eventual boyfriend. The original voice actor, Mitchel Musso, who is also known for playing Oliver Oken on *Hannah Montana*, will not be returning for the new season.
As of the most recent updates, Disney has not officially announced who has been cast to replace Musso. Some reports indicate that the new voice actor for Jeremy remains uncredited in early production materials. This change, while not as prominent as Ferb's, still affects a key supporting character in Candace's storyline, especially her journey to finally "bust" her brothers while maintaining a relationship with Jeremy.
Returning Voice Actors and Key Entities for Season 5
The overwhelming majority of the original cast and creative team are back, which is a testament to the show's enduring legacy and the dedication of its creators, Dan Povenmire and Jeff "Swampy" Marsh. Their combined vision for the revival ensures the familiar blend of massive construction projects and secret agent subplots returns.
Key returning cast members and their characters include:
- Dee Bradley Baker as Perry the Platypus (Agent P) and many other animal/creature voices.
- Caroline Rhea as Linda Flynn-Fletcher, the boys' mom who is always conveniently absent when the inventions appear.
- Richard O’Brien as Lawrence Fletcher, the boys' British dad.
- Alyson Stoner as Isabella Garcia-Shapiro, the leader of the Fireside Girls and the one who always asks, "Whatcha doin'?"
- Bobby Gaylor as Buford Van Stomm, the neighborhood bully with a soft side.
- Maulik Pancholy as Baljeet Tjinder, the intelligent, often nervous friend.
- Jeff "Swampy" Marsh as Major Monogram, the head of the Organization Without a Cool Acronym (O.W.C.A.).
The new season promises to reintroduce all the beloved elements that gave the show its incredible topical authority within animated television. Fans can look forward to more of Dr. Doofenshmirtz’s ridiculous "Inators" at Doofenshmirtz Evil Incorporated, more of Candace’s desperate attempts to get her mother to see the impossible inventions, and the continued secret life of Perry the Platypus.
The revival is set to be a major event for Disney Channel and Disney+, proving that the summer vacation adventures of Phineas and Ferb Flynn-Fletcher are far from over. With the core cast back and the new voices ready to carry the torch, the 2025 return is poised to be as fresh, inventive, and catchy as the original run.
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