Season 13, Episode 26 One Ace Too Many

First Aired: April 2, 1972

Lorne Greene as Ben Cartwright and his double, a con man with an outlandish ploy to liquidate the Ponderosa. Jordan: Greg Mullavey. Ellen: Kate Jackson. Sheriff Coffee: Ray Teal. Dr. Martin: Harry Holcombe. Williams: William Mims. Hoss: Dan Blocker.