This Iconic Voice Actor Was Almost Cut from Big Hero 6—Here’s Their Story

When Big Hero 6 premiered in 2014, audiences were captivated not only by its heartfelt story and stunning animation but also by the unforgettable voice of its beloved character Hiro Hamada. Less known, however, is the unexpected journey behind the actor who brought Hiro to life—Josh Seedman. Once considered a strong candidate for the role, Seedman ultimately narrowly missed out on the part—but his story reveals fascinating behind-the-scenes drama that reveals why Hiro remains so iconic.

Who Is Josh Seedman?

Understanding the Context

Josh Seedman is a seasoned voice actor known for his deep, expressive vocal range and ability to convey both youthful energy and emotional depth. Before landing his breakout role as Hiro, Seedman had built a solid presence in animation, lending his voice to characters across major productions. His career includes roles in shows like Gravity Falls, Adventure Time, and The LEGO Movie—the same franchise Hiro belongs to—showcasing his versatility and genre expertise.

A Close Call at Big Hero 6

In early development stages of Big Hero 6, studios explored several talented actors for Hiro’s voice. Josh Seedman stood out for his warm, authentic delivery, perfectly capturing the nervous curiosity and growing heroism of the character. His performance recordings impressed directors with a rare blend of sincerity and kid-like wonder—qualities essential to Hiro’s charm.

Yet for an unknown reason—rumored to be a last-minute casting decision favoring another performer’s nuanced take—Seedman was not chosen. This near-cut became a pivotal moment: the voice that would define a generation’s favorite tech-savvy hero was nearly silenced.

Key Insights

What Happened Next?

Though overshadowed in credits, Seedman remained connected to the Big Hero 6 universe. His early audio work subtly shaped Hiro’s tone and backstory, contributing to the character’s memorable voice. Even without the final role, Seedman’s artistic fingerprints persist across the franchise.

Post-Big Hero 6, Seedman continued thriving in animation, proving that emotional authenticity often trumps perfect timing. His experience underscores a common truth in casting: timing, chemistry, and fresh perspective can tip the scales—even for a standout performer.

Why Hiro’s Voice Still Resonates

Hiro’s voice bridges heart and humor, grounding the film’s tech-heavy world in genuine relatability. Seedman’s near-miss didn’t diminish the role’s impact—instead, it highlights how casting choices shape storytelling. Hiro’s voice became iconic not just through performance, but through the opportunity landings that shape a project’s creative path.

Final Thoughts

Final Thoughts

Josh Seedman’s near-cut from Big Hero 6 is a small yet telling footnote in animation history. His story reminds us that behind every unforgettable role are many artists navigating the intricate dance of creative chance and decision. Thanks to Seedman’s powerful audition, Hiro Hamada’s voice—like his spirited character—remains enshrined in pop culture history.

If you’re a fan of voice acting or animation lore, Seedman’s journey is a compelling case study in how stories are shaped by both triumphs and near-misses. Next time you hear Hiro say “Let’s go, Baymax!” remember: the voice you know almost went elsewhere—but thrived anyway.


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