Jim West The Night of the Juggernaut (1965–1969) Online
Jim and Artie are ordered to find out who or what is running homesteaders off their land.
| Episode complete credited cast: | |||
 | Robert Conrad | - | Jim West |
 | Ross Martin | - | Artemus Gordon |
 | Floyd Patterson | - | Lyle Dixon |
| Simon Scott | - | Theodore Bock |
| Gloria Calomee | - | Lonie Millard |
 | Byron Foulger | - | County Clerk |
| Bart La Rue | - | Maddox, Storekeeper |
| Peter Hale | - | Tom Harwood |
| Stuart Nisbet | - | Farmer #1 |
| Irvin Mosley Jr. | - | Farmer #2 (as Irvin Mosley) |
| Wild Bill Reynolds | - | Old Geezer |
| Evelyn Dutton | - | Nurse #1 |
| Stardedt Kaava | - | Nurse |
| Fred Stromsoe | - | Hardcase |
The town of Grey Ridge is recognizable to fans of the CBS western Gunsmoke (1955) as the set for Dodge City. The interior of Marshall Dillon's office is re-arranged and serves as the County Clerk's office. The interior of Miss Kitty's Longbranch Saloon makes an appearance and is unchanged from its usual layout.
Artemus Gordon is nursing a broken leg in this episode. Ross Martin actually broke his leg during filming of a previous episode and the injury was worked into several subsequent episodes. A lot of Martin's on screen minutes during his recovery are spent sitting down or stationary.
At the county clerk's office, Jim asks about the "Falk property." Actor Robert Conrad's real name is Falk.
The title refers to is a term used to describe a literal or metaphorical force regarded as unstoppable such as a large machine, group of people, organization or mythical creature.