James Stewart’s Daughter Calls KJ Apa’s Portrayal in 'Jimmy' Biopic "Eerie" and Lifelike

Published 10/11/2026, 5:32 PM EDT

September 28, 2019: KJ APA during his panel session at Oz Comic Con Sydney at the Sydney Showgrounds on September 28, 2019 in Sydney, NSW Australia - ZUMAa155 20190928_zaa_a155_010

KJ Apa got the biggest seal of approval for his portrayal of James Stewart in Jimmy from the legend’s daughter. Stepping into the shoes of a cinematic legend is one of the most daunting challenges an actor can face, especially when bringing the life of a beloved Hollywood icon to the modern screen. While audiences often scrutinize every mannerism, voice inflection, and stylistic choice, the ultimate validation comes not from box office returns or critical acclaim, but from the family members who knew the star best. 

Delivering a performance so strikingly authentic that it left those closest to the late actor utterly speechless, rising star KJ Apa has earned profound praise for his uncanny transformation in the upcoming biographical film Jimmy.

KJ Apa earns high praise from James Stewart’s daughter

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As KJ Apa steps into the role of legendary actor and military aviator James Stewart in the upcoming biographical film Jimmy, he has officially secured the blessing of the screen icon’s own flesh and blood. Kelly Stewart-Harcourt voiced high praise for Apa's performance, admitting that watching him in full character while on set in Ireland felt downright "eerie."

Speaking with Entertainment Weekly, Stewart-Harcourt shared her relief that the young actor avoided a common trap. She noted that the major concern with casting someone as her father is avoiding a cheap “Jimmy Stewart impersonation for two hours,” especially given the screen legend's famously distinct cadence. 

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Praising Apa's nuanced approach, she emphasized to Entertainment Weekly that he manages to capture her father's essence and bring him to life organically rather than relying on caricature, concluding that she could not imagine anyone else taking on the role. Interestingly, Stewart-Harcourt also made a special cameo appearance in the Aaron Burns-directed movie, set to premiere on November 6.

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Talking about his preparation for the character, Apa revealed he took inspiration from a celebrated classic from the legend’s filmography. 

KJ Apa on preparing for the role

Discussing his preparation for stepping into the shoes of the iconic It’s a Wonderful Life star, KJ Apa revealed that the beloved 1946 holiday classic served as a primary foundation for his performance. He admitted that while he had not previously sat down to study the film with such intense focus, he put it on immediately after finishing the script. Reflecting on the cinematic classic, the Riverdale star described it as a timeless piece that was surprisingly ahead of its time.

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James Stewart Waehrend des Zweiten Weltkrieges bezaubert der Jazztrompeter Glenn Miller (James Stewart) eine ganze Nation mit seiner einzigartigen Musik. 1954 UnitedArchives01347336

Detailing his overarching acting philosophy for the biographical project, Apa emphasized that his ultimate goal was to deliver an authentic performance rather than a superficial impression. He noted that relying on an impersonation often leaves little room for genuine emotion beneath the surface, whereas true interpretation allows an actor to bring depth and nuance to the role.

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Are you excited to see KJ Apa bring James Stewart back to life on the big screen? Do let us know. 

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Harshit Kumar

911 articles

With nearly two years of experience in content writing, primarily in sports, Harshit has now ventured into the alluring alleys of Hollywood at NetflixJunkie. A true pop-culture fanatic and a certified cheat code for movie trivia night, he brings infectious enthusiasm to every conversation. He has strong opinions about everything from uplifting superhero spectacles to gripping psychological crime dramas, and he is never shy about backing them up.

Edited By: Hriddhi Maitra

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