Radiant
As of April 28, 2026, Radiant is a feature film that has completed production. Four production companies are attached, including Rumination Road, Rock Island and Beach/Katzman Casting. Attached are casting directors Lisa Beach and Sarah Katzman; director Mark Steven Johnson; and producers Corey Trent Ackerman, William Byerley and 4 others. It was scheduled to shoot in Atlanta, GA from October 2018 to December 2018. Production List last updated this listing on April 28, 2026.
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Project Summary
Radiant centers around early 20th century musical radical and multi-hyphenate George Antheil and his unlikely friendship with movie star Hedy Lamarr. Despite their day jobs in entertainment, the two possessed an intense desire to defeat the Nazis and thus invented and patented a secret communications system in 1941 which sketched out the principle of frequency hopping which is used in most cell phones today. Their invention proved crucial to the development of modern communications as we know it, paving the way for wireless phones, Bluetooth, GPS and Wi-Fi technology itself. As a composer, Antheil was known for his jazzy symphony virtuoso piano sonatas such as Ballet Mecanique, which drew raves and riles in Berlin and Paris during the 1920s. He was labeled by critics as a misguided genius and publicity hound. During the 1926 premiere of Ballet Mecanique in Paris, a riot broke out at the Theatre du Champs Elysées. The score called for 16 player pianos, three xylophones, four bass drums, a tam-tam, two grand pianos, seven bells, a fire siren, and three airplane propellers.
Production Contacts— Members Only
The production office and crew contacts for Radiant are on file at Production List, last updated April 28, 2026, and are available to members. Membership is $29.95 for the first month.
Cast & Crew
Production
| Producer | Corey Trent Ackerman |
| Producer | William Byerley |
| Producer | David Brown |
| Producer | Chayah Masters |
| Producer | Harry Finkel |
| Producer | Katrina Wolfe |
Directing
| Director | Mark Steven Johnson |
Casting
| Casting Director | Lisa Beach |
| Casting Director | Sarah Katzman |
Contact details for each person listed are on file and available to members.
Member Discussion
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Working on Radiant
Radiant has finished principal photography. How productions hire crew · Working as an extra · Reaching the production office
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Source: Production List, published by the Film & Television Industry Alliance. Cite this page as https://www.productionlist.com/production/radiant (last updated Apr 28, 2026).