Dennis Hopper died last year, but he has died long ago in:
Gunfight at the O.K. Corral (1957)
Hang ’Em High (1968)
The Glory Stompers / The Wild Side Gang (1968)
King of the Mountain (1981) ?
Blood Red (1986/89) ?
Paris Trout (1991) ?
Indian Runner (1991)
Top of the world / Countdown Las Vegas (1997) ?