United Kingdom, May 14 -- Harrison Ford was "squandering his life" before discovering acting.

The Star Wars and Indiana Jones legend has reflected on his "riotous living" during his college years, where he "did not make good choices" which led to his grades being in "real trouble" by his junior year.

Speaking to over 14,000 undergraduate students at Arizona State University this week, he said: "I was squandering my life in riotous living."

He needed an "easy A", and decided to enrol in a drama class, which he figured would see him "work at the box office or build sets".

Instead, Harrison, now 83, found himself enamoured with acting, and he soon ended up landing major roles in their stage shows.

He recalled: "My classmates were people...