Leon Theremin

Self – Inventor of the Theremin

Clara Rockmore

Self – Theremin Virtuoso

Robert Moog

Self – Inventor of the Moog Synthesizer

Nicolas Slonimsky

Self – Composer and Historian

Paul Shure

Self – Musician

Henry Solomonoff

Self – Theremin Studio Member

Suki Bader

Self – Theremin Dancer

Beryl Campbell

Self – Theremin Dancer

Lydia Kavina

Self – Theremin's Niece

Brian Wilson

Self – Founder of The Beach Boys

Todd Rundgren

Self – Musician and Producer

Vladimir Lenin

Self (archive footage)

Ingrid Bergman

Dr. Constance Petersen (archive footage) (uncredited)

Bobby Burgess

Actor in Mickey Mouse Show Clip (archive footage) (uncredited)

Samuel Hoffman

Self – Mickey Mouse Show Clip (archive footage) (uncredited)

Steven M. Martin