Mission: Impossible season 5
The fifth season of the original Mission: Impossible originally aired Saturdays at 7:30–8:30 pm from September 19, 1970 to March 6, 1971. "The Merchant" originally aired Wednesday, March 17, 1971 at 7:30–8:30 pm.
Cast
| Character | Actor | Main | Recurring |
| Jim Phelps | Peter Graves | Entire season | |
| Paris | Leonard Nimoy | Entire Season | |
| Dana Lambert | Lesley Ann Warren | Entire Season | |
| Barney Collier | Greg Morris | Entire Season | |
| Willy Armitage | Peter Lupus | Episodes 1-4, 7-8, 12, 15-16, 18, 21-23 | |
| Dr. Doug Robert | Sam Elliott | Episodes 5-6, 9-11, 13-14, 17, 19-20 | Episodes 3, 22 |