- Disowned Adaptation: William Harrison has said that he never saw the remake, let alone interested in it.
- Fake Nationality: Frenchman Jean Reno as Kazakh Alexi Petrovich in the remake.
- Hey, It's That Guy!/Hey, It's That Girl!:
- Bartholomew's aide once criticized Darth Vader for his "sorcerer's ways". And Houston's team executive was also the American sub commander in The Spy Who Loved Me.
- Mackie, Jonathan's first company-assigned lover, was later Princess Ardala in Buck Rogers in the 25th Century. And Ella, his ex-wife, was Octopussy.
- Throw It In:
- The cast made up their own rules for Rollerball, which greatly adds to the realism.
- Supposedly when filming was completed the stuntmen wanted to play a for-real game before the sets were struck, but the studio nixed the idea. Something about "liability" and "lawsuits the size of the Oort Cloud"...
- What Could Have Been: The scene where drugged-up party-goers shoot up some magnificent trees with a futuristic rocket gun is disturbing enough. But just imagine how it would've been if they'd followed the original scripted idea, where they took turns shooting a dog...