Director/a
Tjardus Greidanus
DIRECTOR/A
Reparto (por orden de créditos)
Jonas Salk
Self - Developer of Salk Polio Vaccine, Founder, Salk Institute(archiveFootage)
Peter Salk
Self - Physician, Son of Dr. Jonas Salk
Jonathan Salk
David Oshinsky
Self - Author and Pulitzer Prize Winner
Julius Youngner
Self - Senior Scientist, Salk Lab
John Troan
Self
Ethel J. Bailey
Self - Lab Technician, University of Pittsburgh
Raymond White
Self - CEO, The Watson Institute
Donald Wegemer
Jeanne Beaumont Winner
Physical Therapist - The Watson Home
Sidney N. Busis
Self - Physician
Sylvia A. Busis
James D. Cherry
Ronald W. Flynn
Self - Polio Survivor
Randy P. Juhl
Martha L. Hunter
Self - Polio Pioneer
Paul Offit
Walter Orenstein
Self - Deputy Director of Vaccine Delivery, Bill & Melinda Gates Foundation
Raymond P. Roslonski
James L. Sarkett
Judy Wright
Jody Zogran