Michael Murphy as Himself - Narrator (voice)

Andrea Barrett as Herself - Writer

Andrea Cooper as Herself - Immunologist

Joanne Curtis as Herself - TB Survivor

Sherwood Davies as Himself - TB Survivor

Mary Hotaling as Herself - Writer

Peter Pringle as Himself - Writer

Sheila Rothman as Herself - Author, Living in the Shadow of Death

Vivian Schatz as Herself - Wife

Whitney Seymour Jr. as Himself - TB Survivor

John Stoeckle as Himself - TB Survivor

Nancy Tomes as Herself - Historian