Dr. William Masters
Virginia Johnson
Libby Masters
Dr. Austin Langham (credit only)
Betty DiMello
Dr. Lillian DePaul
Coral
Gene Moretti
Robert Franklin
Al
Shelley Decklin
Morgan Hogue
Everett
Helen Schiff
Dr. Charles Hendricks
Dr. Gibb
Mariel
Nurse Williams
Tessa Johnson
Priscilla
Nurse Jenkins
Philippe
Receptionist
Buell Green Orderly
Nurse (uncredited)
Patron (uncredited)
Buell Green Patient (uncredited)
Oncology Orderly (uncredited)