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I ALWAYS say there is something for EVERYONE in commercials. Just watch commercials… there are ALL types, even cavemen! The trend is towards “real people”, “non actor types”, “slice of life” ads. I don’t think there is such a thing as “average” looks. “Average” could be just what the casting director, commercial director, agency, producer, copy writer and client are looking for. To appeal to casting directors be you: if you’re funny let that out, if you’re a hottie or a relaxed dude let us see that. Be you, be real and believable. The days of hard sell sales people in commercials are over.
It is your absolute obligation as a business person selling a product to make it as easy as possible for someone to learn about that product. You can’t complain that you’re not getting opportunities if you’re not making yourself as available as possible. You should always be letting the people who are hiring know where they can come see you in something, or if you’re right for something. It’s your responsibility to let them know about it.