Overview
Scientists Banting, Best, Collip and Macleod at the University of Toronto as they race for a treatment to cure 13-year-old Leonard Thompson of his life-threatening diagnosis of diabetes.
| Actor | Age then | Age now | |
|---|---|---|---|
 | - | - | |
 | - | - | |
 | 38 | 43 | |
 | 19 | 23 | |
 | - | - | |
 | 49 | 53 | |
 | 36 | 40 | |
 | - | - | |
| - | - | |
 | - | - |