After escaping Russia's communist revolution, Léon Theremin travels to New York, where he pioneers the field of electronic music with his synthesizer. But at the height of his popularity, Soviet agents kidnap and force him to develop spy technology.

Leon Theremin
as Self – Inventor of the Theremin

Clara Rockmore
as Self – Theremin Virtuoso

Robert Moog
as Self – Inventor of the Moog Synthesizer

Nicolas Slonimsky
as Self – Composer and Historian

Paul Shure
as Self – Musician

Henry Solomonoff
as Self – Theremin Studio Member

Suki Bader
as Self – Theremin Dancer

Beryl Campbell
as Self – Theremin Dancer

Lydia Kavina
as Self – Theremin's Niece

Brian Wilson
as Self – Founder of The Beach Boys