- Tom Welling (Clark Kent)
- Erica Durance (Lois Lane)
- Cassidy Freeman (Tess Mercer)
- Justin Hartley (Oliver Queen)
Smallville — S5E8
Episode: Solitude
Air Date: 2005-11-17
Runtime: 41 min
Overview
When Martha comes down with a strange disease, Professor Fine convinces Clark that Jor-El is responsible and that the Fortress must be trying to eliminate the father of Kal-El. But Professor Fine has an ulterior motive which comes to fruition when they arrive.