Bob Anderson in the Movies

Bob Anderson was a running back for the Broncos in the early 1970s:

He got a bit role as a collegiate basketball player in 1977's One on One as "Hit-Man" King who roughed up Robbie Benson during a practice.

Marv Goux in the Movies

Marv Goux was a defensive line coach at USC and then later for the Los Angeles Rams (from 1983-90).

He also got a couple of bit parts in early a couple of 1970s television series, Columbo and Banacek.
Here he is a coach for the Los Angeles Rockets in Columbo. Goux is at the blackboard and then holding the towel: