These are press photos from behind the scenes of Immunity Syndrome and other episodes.
The first two pictures appeared in the magazine TV Radio Talk (September 1977) with an interview with Landau and Bain by Jimmy Bertrand. The other pictures appeared in the magazine Woman And Home (1976) with an interview with Barbara Bain by Jerry Bauer.
Picture appeared in the magazine People, 14 June 1976, with an interview with Barbara Bain