First Appearance: September 8, 1964
Last Appearance: December 7, 1965
Portrayer: Mark Lenard, September 8, 1964 - December 7, 1965.
Departure: Left due to Janet Matthews breaking their engagement.
Introduction Scene: Examing Pat Randolph's abdomen, "When was this done, Patricia?"
Exit Scene: To Janet Matthews in her apartment, “Janet, what are you saying?”
Birthday: 1923 or 1924. Two years older than Alex Gregory.
Relatives: Cora Gregory, adoptive mother. Bert Gregory, adoptive father. Alex Gregory (RIP), brother.
Lovers: Karen Gregory (fiance) and Janet Matthews (fiance) (1965).
Occupation: Doctor, obsterician/gynecologist.