The Rifleman - Season 1 - Eps 4: The Marshal
Micah Torrance, a once famous lawman, is introduced as a drunken derelict, who stumbles into North Fork. Micah, nursing an arm crippled in a gunfight, is hired by Lucas to help out at the ranch. Three outlaws ride into town looking for revenge against Micah. When they kill the sheriff, it's up to Lucas and Micah to protect North Fork. Micah becomes North Fork's full-time Marshal.
About The Rifleman

Title: The Rifleman
First Air Date: 1958-09-30
Last Air Date: 1963-04-08
Status: Ended
Rating: 7/10 (from 46 votes)
Language: EN
Seasons: 5
Total Episodes: 168
Network: ABC
Genres: Action & Adventure, Western, Family
Production Companies: Four Stars Productions
Synopsis
The Rifleman is an American Western television program starring Chuck Connors as rancher Lucas McCain and Johnny Crawford as his son, Mark McCain. It was set in the 1880s in the town of North Fork, New Mexico Territory. The show was filmed in black-and-white, half-hour episodes. "The Rifleman" aired on ABC from September 30, 1958 to April 8, 1963 as a production of Four Star Television. It was one of the first prime time series to have a widowed parent raise a child.
Cast

Chuck Connors
Lucas McCain

Johnny Crawford
Mark McCain

Paul Fix
Micah Torrance