Threshold
1h 37m·Drama, Science Fiction·
Directed by
Celebrated heart surgeon Thomas Vrain supports the research of an offbeat scientist who has invented an artificial heart. Against the advice of the Ethics Committee, Dr. Vrain decides to perform the first artificial heart transplant.
| Actor | Role |
|---|---|
 Donald SutherlandDr. Thomas Vrain | Dr. Thomas Vrain |
 John MarleyEdgar Fine | Edgar Fine |
 Sharon AckerTilla Vrain | Tilla Vrain |
 Mare WinninghamCarol Severance | Carol Severance |
 Jeff GoldblumDr. Aldo Gehring | Dr. Aldo Gehring |
 Michael LernerHenry De Vici | Henry De Vici |
 Richard BlackburnDr. Cutter | Dr. Cutter |
| MMichael C. GwynneJay Wingate | Jay Wingate |
 Robert JoyDavid Art | David Art |
 Allan F. NichollsDr. Basil Rents | Dr. Basil Rents |
 Kate TrotterMrs. Anderson | Mrs. Anderson |
 Lally CadeauAnita, Vrain's Secretary | Anita, Vrain's Secretary |
 Stuart GillardDick Getts | Dick Getts |
 Barbara GordonWanda, Vrain's Scrub Nurse | Wanda, Vrain's Scrub Nurse |
| SSamantha LangevinMrs. Clure | Mrs. Clure |
 Jessica SteenTracy Vrain | Tracy Vrain |
 Casey StevensLarry Hammond | Larry Hammond |