Nick McKinless
Crocodile Dundee in Los Angeles featured Nick McKinless playing a thug. You may know him better for playing the Greek God Ares in Justice League. His preparation for playing that character was extremely involved. It included diet and a workout regimen which were very strict. His weekly consumption of tuna was 40 cans. However, Wonder Woman actor David Thewlis, who also played Ares, digitally replaced him.
George Hamilton
Well, George Hamilton played himself in Crocodile Dundee in Los Angeles. The actor first gained fame appearing on Dynasty from 1985 until 1986. Hamilton continues to do work in the showbiz industry. He was on American Housewife and played the recurring role of Spencer Blitz. Recently, he was on 2 Broke Girls as a guest star.