A famous heart surgeon finds out that a medical research foundation is being used for shady and illegal purposes.
| Actor | Role |
|---|---|
 Stuart WhitmanDr. McCarter Purvis | Dr. McCarter Purvis |
 Sandy DennisDr. Enid Bingham | Dr. Enid Bingham |
 Burl IvesT.M. Trask | T.M. Trask |
| TTom HarveyMcBride | McBride |
| RRobert GoodierDr. Wilfrid Morton | Dr. Wilfrid Morton |
| RRon HartmannDr. John Emmett | Dr. John Emmett |
| JJack CreleyDr. George Simmons | Dr. George Simmons |
| AAllen DoremusDr. Carl Bryant | Dr. Carl Bryant |
| KKenneth JamesClinton | Clinton |
| JJoseph ShawDr. Franz Heinemann | Dr. Franz Heinemann |
| CClem HambourgPianist | Pianist |
| HHarvey FisherCopter Pilot | Copter Pilot |
| RRobert WarnerGuard #1 | Guard #1 |
 John S. DaviesDoctor | Doctor |
| VV.K. SainiV.K. Saini | V.K. Saini |
| GGeorge PyfromSurgeon #2 | Surgeon #2 |
| CClaudia KoropeckiSurgeon #3 | Surgeon #3 |
 Nina KeoghTrask's Nurse (uncredited) | Trask's Nurse (uncredited) |
| RRobert MannGuard #3 | Guard #3 |
| JJames ForrestGuard #4 | Guard #4 |