- Tom Welling (Clark Kent)
- Erica Durance (Lois Lane)
- Cassidy Freeman (Tess Mercer)
- Justin Hartley (Oliver Queen)
Smallville — S5E21
Episode: Oracle
Air Date: 2006-05-04
Runtime: 43 min
Overview
Clark and Martha are both visited by Jonathan's ghost, who warns them about Lionel and claims that Clark must kill him to stop him. Meanwhile Fine will do whatever it takes to get the vaccine from Lex.