Yılmaz achieved his greatest success by starring in and writing the big-budget sci-fi parody G.O.R.A.
became a box-office hit and, according to Rekin Teksoy, "showed that popular cinema was successful in appealing to wide audiences".
[5] He has since repeated his box office successes with a sequel to G.O.R.A called A.R.O.G., The Magician and Yahşi Batı, and has appeared in more than 10 films and worked as a voice actor in a number of motion pictures.
[7][8] During the course of his career, Cem Yılmaz has been the commercial face of Panasonic, Opet, Türk Telekom, Türkiye İş Bankası and Doritos, among others.
The caricatures that he has drawn and the scenario of three of his movies that were released in the form of a book were well received by fans.