Actor Wilmer Valderrama is urging parents to keep their kids away from animal circuses this summer (15) as the Ringling Bros. big top makes its way around America.

The former That 70s Show star has signed on to front a new public service announcement for PETA, in which he asks all animal lovers not to support circuses and similar attractions that exploit wild animals for profit.

In the ad, he says, "As an actor, it's my job to entertain people. Nobody forces me to perform. But sadly, animals in circuses aren't so lucky. So please, don't ever take your family to a circus that uses animals."