Ben Cartwright (age 50) - George Clooney Adam Cartwright (age 35) - Ryan Reynolds Hoss Cartwright (age 35) - Ethan Suplee "Little Joe" Cartwright (age 24) - Zac Efron. I know that Adam's character was six years older than Hoss, but Roberts and Blocker were also the same age. Clooney is only 15 yrs older … Read more