U.S. Marshals

The hero is Chief Deputy U.S. Marshal Sam Gerard, played by Tommy Lee Jones in a reprise of his co-starring role in The Fugitive. (...) Here he hits the same marks with the same razor-edged delivery...

...if it was the chase audiences liked, then why not build the sequel around implacable U.S. Marshall Sam Gerard (...), who nearly hunted the good doctor to his death? He can chase people into the next century.

Downey,with his inscrutable surface, makes a nifty fit inside this formula thriller context.