A Shred of Evidence
- Episode aired Jun 14, 1988
Mike Morley
- Self - Reporter
- (voice)
Dena Smiles
- Lynda Mann
- (as Dena Snelgrove)
David Baker
- Self
- (as Det. Chief Supt. David Baker)
Ed Blake
- Self - Forensic Scientist, Cetus Corporation
- (as Dr. Ed Blake)
Leroy Hood
- Self - California Institute of Technology
- (as Professor Leroy Hood)
Alec Jeffreys
- Self
- (as Professor Alec Jeffreys)