The son of a U.S. Senator takes on the cause of clean air when a friend dies of emphysema.
| Actor | Role |
|---|---|
 Hal HolbrookHays Stowe | Hays Stowe |
 E.G. MarshallSenator Stowe | Senator Stowe |
 Joseph CampanellaJordan Boyle | Jordan Boyle |
 Jack AlbertsonDr. Chanute | Dr. Chanute |
 Pat HingleSalem Chase | Salem Chase |
 Sharon AckerErin Stowe | Erin Stowe |
 James DouglasHoward Eager | Howard Eager |
 Mike KellinProfessor Duke | Professor Duke |
 Jeff CoreyBeiseker | Beiseker |
 Bernie HamiltonHouse | House |
 Michael BellElliot Morse | Elliot Morse |
 Cindy EilbacherNorma Stowe | Norma Stowe |
 Adrienne MardenAmanda Shamokin | Amanda Shamokin |
 Harry BaschHealth Commissioner | Health Commissioner |
| RRobert HeinzPreston Gardiner | Preston Gardiner |
 Marian CollierNurse | Nurse |
 Robert QuarryHollis Kent | Hollis Kent |
| RRay BallardBellboy (uncredited) | Bellboy (uncredited) |
| GGeorge DeNormandReporter (uncredited) | Reporter (uncredited) |