IMO yes,it's a classic 70's film,worth a rental for sure,if you watch it,remember when it was made and wrap your arms around that and enjoy it,he was a great actor at what he did, but then I'm an old guy,I love new movies, but I also love Bronson/McQueen/Eastwood,etc,etc 70's movies.
the new movie is fun too,I did enjoy that,different story lines really,but still good IMO.
watch the Bronson one first just for fun.