5 Season
123 Episode
Cannon - Season 2 Episode 21 The Seventh Grave (1976)
One step forward, two steps back as Cannon hunts a mass murderer. Helping to cloud the facts: a police lab technician who's altering the evidence as quickly as it is found.
- Country : United States of America
- Genre : Drama, Action & Adventure
- Studio : CBS
- Director : Edward Hume
- Cast : William Conrad