Season 1, Episode 17 Devil's Playground
First Aired: January 4, 1972
Martin Sheen as an ex-cop after the killer who maimed him. Doyle Hoffner: Dan Travanti. Cannon: William Conrad. Phyllis: Collin Wilcox-Horne. Pete Wick: Ned Glass. Gene Robbins: Byron Mabe.
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- Premiered: September 14, 1971
- Rating: None
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- Premise: Rough and rotund Frank Cannon was (in one sense) the biggest TV detective of the '70s. The L.A. PI was no `Hollywood god,' conceded his portrayer, William Conrad. But he cared and it showed. `Cannon' was a staple of producer Quinn Martin's detective stable… (more)