The film presents how the human body recognizes and becomes aware of its surroundings. The various information pathways to the brain such as sight, sound, smell, taste and touch are explored in a accurate but simple manner via human impression and cartoon characters!
Frank Baxter
Himself (as Dr. Frank C. Baxter)
Hadley Cantrell
Himself - Princeton University Psychologist (as Professor Hadley Cantrell)
Edwin Max
Bill
Wilder Penfield
Himself - Director: Montreal Neurological Institute (as Dr. Wilder Penfield)
Peter Brown
Aristotle's student (uncredited)
Karl Swenson
Hal - the Cameraman (uncredited)
