Guest agent: Dr. Emerson Reese, plastic surgeon
This and part 1 were subsequently stitched together for European release as the movie Mission: Impossible vs. The Mob.
Vic Perrin is credited but doesn't appear in Part 2.
Johnny puts a silencer on his gun, but revolvers don't take silencers.
When Jim gets in the car, he has the fake back on, but it's clear that he's wearing a jacket underneath it. However, once he's inside the car, the jacket he's wearing beneath the fake back disappears.