The Wild Wild West The Night of the Simian Terror (1965–1969) Online
Jim and Arte uncover a secret revenge plot involving inhuman medical experiments.
| Episode complete credited cast: | |||
 | Robert Conrad | - | Jim West |
 | Ross Martin | - | Artemus Gordon |
 | John Abbott | - | Dr. Sigmund Von Liebeg |
 | Dabbs Greer | - | Senator Seth Buckley |
 | Felice Orlandi | - | Benjamin Buckley |
 | Grace Gaynor | - | Naomi Buckley |
| Ben Aliza | - | Caleb Buckley |
 | Richard Kiel | - | Dimas |
| John S. Ragin | - | Rev. Hastings (as John Ragin) |
| James Gavin | - | Fletcher |
| Lori Lehman | - | Priscilla Hastings |
| Gabriel Walsh | - | Farmer |
 | George Barrows | - | Johann (as George D. Barrows) |
 | H.M. Wynant | - | Aaron Buckley |
The place where Dimas holds West and Naomi Buckley in the round cage is the same place Dr. Articulus used as his laboratory in The Wild Wild West: The Night of the Undead (1968).