演职人员
导演
欧文·克拉普
Himself (as Dr. Frank C. Baxter)
Frank Baxter
Himself - Princeton University Psychologist (as Professor Hadley Cantrell)
Hadley Cantrell
Bill
Edwin Max
Himself - Director: Montreal Neurological Institute (as Dr. Wilder Penfield)
Wilder Penfield
Aristotle's student (uncredited)
Peter Brown
Hal - the Cameraman (uncredited)
Karl Swenson