Mission: Impossible season 4
The fourth season of the original Mission: Impossible originally aired Sundays at 10:00–11:00 pm on CBS from September 28, 1969 to March 29, 1970.
Cast
| Character | Actor | Main | Recurring |
| Jim Phelps | Peter Graves | Entire season | |
| Paris | Leonard Nimoy | Entire Season | |
| Barney Collier | Greg Morris | Entire Season | |
| Willy Armitage | Peter Lupus | Entire Season | |
| Tracey | Lee Meriwether | Episodes 2, 7, 9, 14-16 |