Sir Laurence Olivier
Hoffman was way too old to be playing the part, but since he's always looked pretty young (and is a damn fine actor) he has little trouble anchoring the flick. Plus he's got guys like Roy Scheider, William Devane, and Sir Laurence Olivier(!) to play against, so you know the acting angle is more than capably covered.
To those with short attention spans, I recommend you sit down and let the early 'slow spots' of MARATHON MAN wash over you. Before 25 minutes go by you'll be dying to know where this story is headed. I promise.
Next up is Going the Distance: Remembering MARATHON MAN, which is a great little 29-minute retrospective featurette. Interview subjects include Robert Evans, screenwriter William Goldman, Roy Scheider, Dustin Hoffman, Marthe Keller, etc. Again, very good stuff, and these two featurettes combined give the MAN-fan all they need to learn about the well-remembered thriller.
Rounding out the platter is 21 minutes of rehearsal footage (cool) and the original MARATHON MAN theatrical trailer.
The DVD comes with some great supplements, although screenwriter William Goldman is known for giving solid commentary, and I wouldn't have minded one of those...