
The Board of Directors of the Cinema Audio Society (CAS) has approved veteran sound mixer and educator John Marshall for membership in its professional organization. Marshall’s induction marks a significant milestone in a career spanning more than five decades and bridging the golden era of documentary filmmaking with modern narrative cinema.
A Legacy of Mentorship
The late Jeff Wexler, CAS, nominated Marshall for membership. Wexler, an Academy Award–nominated mixer for The Last Samurai and the son of legendary cinematographer Haskell Wexler, shared a deep professional bond and friendship with Marshall over the past decade. Wexler helped guide Marshall’s transition into academia and played a key role in shaping his curriculum for the Film and Digital Media department at Rose State College.
Wexler frequently visited Marshall’s classes as a guest speaker, and the two joined other top-tier CAS members for biweekly Zoom sessions to discuss the evolution of the craft.
“Jeff and I often discussed how operating the equipment is actually the easy part of the business,” Marshall said. “He taught me that the true art lies in creating the right atmosphere on set. After working on every Cameron Crowe film, Jeff understood that crew buy-in and collective concentration allow filmmakers to create masterpieces like Cameron’s Oscar-winning Almost Famous, which Jeff worked on.”
A Career Defined by Versatility
Marshall began his film career in 1974 as the sound mixer for the documentary Everyone Thinks I’m Old. Over the following decades, he built a career as a freelance mixer and news photographer. His work included covering the Branch Davidian standoff and contributing to reporting that broke the Karen Silkwood story.
In 2004, Marshall’s career took a unique turn. After completing a story about Iraqi war veterans at Brooke Army Medical Center, the Air Force recruited him as a visualization engineer for its Air Warfare Battle Lab. After serving as the honorary Wing Commander for Mountain Home Air Force Base, Marshall returned to Oklahoma to “retire”—a goal he admits he never quite achieved as he returned to his passion for production.
His recent portfolio includes several high-profile projects:
- Wild Indian — starring Michael Greyeyes, Jesse Eisenberg, and Kate Bosworth (Sundance Film Festival selection)
- Unexpected — starring Anna Camp, Joseph Mazzello, and Neil Flynn
- Numerous feature films and documentaries, including PBS Frontline, American Experience, and projects within the growing Oklahoma film industry
Joining the Ranks of Legends
With his induction into CAS, Marshall joins a community of the world’s most accomplished sound professionals. The Cinema Audio Society includes industry leaders such as Andy Nelson (Saving Private Ryan), Christopher Boyes (Avatar), and Lora Hirschberg (Inception).
Marshall currently serves as an adjunct professor at Rose State College, where he shares lessons from Jeff Wexler and his own decades of on-set experience with the next generation of Oklahoma filmmakers.
About the Cinema Audio Society
The Cinema Audio Society formed in 1964 to share information with professionals in the motion picture and television industry. The organization educates both the public and the entertainment industry about the creative, artistic, and technical collaboration required to achieve effective sound design.