When Val Kilmer hosted Saturday Night Live in December 2000, a Top Gun sketch almost featured a cameo from co-star Tom Cruise ...

The “SNL” episode in question would have featured an iconic cameo from Tom Cruise that the audience wasn’t expecting.

The 2000 sketch's co-writer, Michael Schur, joked that "30 Rock would have crumbled to the ground" had the cameo worked out.