I assumed the OP meant currently working people in the industry. Otherwise, the list would be fairly long.

Roger Deakins. Can make a turd of film look like a polished diamond (can't save the script or acting, but can at least make it all look good).

In terms of actors, I'd have to say Gary Oldman. Glenn Close can do it as well.

I'd add Hitchcock as well.

So many Clint Eastwood movies.

• A Fistful of Dollars
• For a Few Dollars More
• The Good, the Bad, and the Ugly
• High Plains Drifter
• The Dirty Harry series
• Hang 'em High
• Pale Rider
• The Eiger Sanction
• Coogan's Bluff