Warner Bros Pictures Animation and London-based Locksmith Animation today confirmed several high profile additions to the voice cast of Bad Fairies, an original animated musical comedy led by British actor Cynthia Erivo. The new names include English comedian and actor Catherine Tate, Australian pop star Kylie Minogue, and American stage and screen performer Jonathan Groff, the studios said in announcements circulated to the press on October 16, 2026.
Announcement delivered from the Hollywood Bowl, echoes a British production identity
The casting update was first revealed during Cynthia Erivo’s Let Me Sing to You concert at the Hollywood Bowl on the evening of October 15 and picked up across outlets on October 16. Erivo, who plays the film’s central character Jayne Staplegun, introduced the additions amid a live orchestral tease of a song from the movie. While the reveal happened in Los Angeles, the development accentuates Bad Fairies’ distinctly British creative footprint: the movie is produced by Locksmith Animation, a London-based studio that has built a reputation for marrying U.K. creative leadership with global distribution through Warner Bros.
Who is joining and what they will play
The newly announced cast members widen the film’s international and British credentials. Catherine Tate will voice the Fairy Gothmother. Tate is one of Britain’s best known comedy performers, with a career that spans television sketch comedy, drama and film. Her casting deepens the project’s links to U.K. comedic traditions.
Kylie Minogue, a Melbourne-born singer and actor with an extensive international profile, is attached as Clowder, the Cat Witch. Minogue’s music career and periodic acting work give the film extra pop-music visibility, a strategic fit for an original musical feature.
Jonathan Groff will voice Robin Goodfellow, and joins a cast that already includes British and U.K.-connected performers. Reported cast members announced earlier or in parallel include Ncuti Gatwa, Serrana Su-Ling Bliss, James Acaster and Dee Bradley Baker, alongside Erivo in the lead role.
Why this matters for the U.K. film and animation sector
Although the premiere reveal took place on an L.A. stage, Bad Fairies remains rooted in the U.K. animation economy through Locksmith, the London studio that developed the film and which has an ongoing first look and distribution pipeline with Warner Bros. The studio’s model has been to develop original animated projects in Britain while relying on Warner Bros for global theatrical reach. Today’s casting news reinforces that approach, showing a mix of U.K. talent, international stars and transatlantic production partners in a single high profile animated release.
For British creative workers, the project illustrates how U.K.-based animation companies are able to attract A list performers and significant studio investment. Locksmith’s past features have relied on British production talent and often used U.K. animation crews, postproduction houses and music contributors. By assembling well known British performers in the voice cast, Bad Fairies also strengthens the argument that major animated features can deliver both global box office scale and domestic skill development for the U.K. screen sector.
Artistic direction, music and release timetable
Bad Fairies is being positioned as an original musical comedy with songs by Toby Marlow and Lucy Moss, the writing team behind the stage musical Six. That songwriting pairing ties the film into a current U.K. musical theater lineage, and suggests the producers will emphasize original songs as a marketing and storytelling cornerstone. Locksmith and Warner have set the film for a theatrical release in May 2027, leaving several months for animation, scoring and promotion.
Industry context and what to watch next
The announcement arrives amid increasing attention on Britain as a centre for high quality animation production. U.K. studios have won larger development deals with global studios in recent years, in part because of tax incentives, a deep pool of visual effects and animation talent, and co production partnerships. Bad Fairies will be watched as an example of that model scaled up to a major studio release, and the involvement of recognizable British performers like Catherine Tate and Cynthia Erivo will be scrutinized for how well the feature translates British comedic and musical sensibilities for an international audience.
Practical next steps to follow include confirmation of principal photography for voice recording, detailed production credits showing where animation and postproduction work is being carried out, and the release of marketing materials that indicate whether the film will highlight its U.K. creative origins in promotional campaigns. For British animation professionals and policy watchers, the eventual production credits will be the clearest evidence of how much of the film’s creation stays in the U.K.
For audiences, the casting moves increase the profile of Bad Fairies ahead of its theatrical launch, and they signal a soundtrack-first approach that leans on songwriters with a recent track record of stage to mainstream crossover. With a mix of British and international talents assembled, the film will be judged on how successfully it blends regional creative identity with mass market animation entertainment.
