United Kingdom, Sept. 16 -- Frank Grillo has claimed steroid use is rampant in Hollywood.

The Peacemaker actor - who is also known for his roles in the likes of Captain America: Winter Soldier - has admitted to previously using steroids himself to enhance his physical transformations, and he has alleged other stars are doing the same.

He told the Men's Health's Strong Talk podcast: "None of those are natural bodies.

"Those guys don't walk around looking one way like six months out of the year and then all of a sudden they have 35lbs of muscle on them.

"We all know what they're doing. They might not want to say it, but they all do it. Everybody."

However, he insisted "there's nothing wrong with using those drugs" with testosterone, an...