Leon Theremin
饰 Self – Inventor of the Theremin
Clara Rockmore
饰 Self – Theremin Virtuoso
Robert Moog
饰 Self – Inventor of the Moog Synthesizer
Nicolas Slonimsky
饰 Self – Composer and Historian
Paul Shure
饰 Self – Musician
Henry Solomonoff
饰 Self – Theremin Studio Member
Suki Bader
饰 Self – Theremin Dancer
Beryl Campbell
饰 Self – Theremin Dancer
Lydia Kavina
饰 Self – Theremin's Niece
Brian Wilson
饰 Self – Founder of The Beach Boys
Todd Rundgren
饰 Self – Musician and Producer
Владимир Ленин
饰 Self (archive footage)
英格丽·褒曼
饰 Dr. Constance Petersen (archive footage) (uncredited)
Bobby Burgess
饰 Actor in Mickey Mouse Show Clip (archive footage) (uncredited)
Samuel Hoffman
饰 Self – Mickey Mouse Show Clip (archive footage) (uncredited)
杰瑞·刘易斯
饰 Sidney L. Pythias (archive footage) (uncredited)
雷·米兰德
饰 Don Birnam (archive footage) (uncredited)
帕特里夏·尼尔
饰 Helen Benson (archive footage) (uncredited)
格利高里·派克
饰 John Ballantyne (archive footage) (uncredited)
Michael Rennie
饰 Klaatu (archive footage) (uncredited)
