Top 20 Actors You Forgot Were on That '70s Show

VOICE OVER: Phoebe de Jeu WRITTEN BY: Jordy McKen

Think you know everything about "That '70s Show"? Think again! We've dug up some surprising guest spots and recurring roles from big-name actors you might have completely forgotten appeared on the iconic series. From rising stars like Amy Adams and Joseph Gordon-Levitt to legends like Betty White and Bruce Willis, these unexpected cameos and performances are guaranteed to bring back memories and maybe a few jaw drops. Plus, find out which pop stars, sitcom royalty, and future stars made their mark in Point Place. Ready to rediscover your favorite show's best-kept casting secrets? Let us know which surprise appearance was your favorite! read more...

Top 20 Actors You Forgot Were on That '70s Show

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