Zac Efron Was in 'Grease 2'?

Here's teen heartthrob Zac Efron at some event in Texas on Monday (left) -- and Maxwell Caulfield in the 1982 box office bomb "Grease 2" (right).

Zac Efron and Maxwell Caulfield
One of their careers never recovered after starring in a high school musical.

We're just sayin'.