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"Mad Men star John Slattery has revealed that creator Matthew Weiner has banned the show&amp;#039;s cast from ad-libbing lines. The actor - who plays Roger Sterling - revealed to New York Magazine that Weiner became furious when he added a line during filming. &amp;quot;Matt said, &amp;#039;Don&amp;#039;t you think I f**king thought of that? That&amp;#039;s why I wrote what I wrote!&amp;#039;&amp;quot; laughed Slattery. &amp;quot;The mistake I&amp;#039;ve sometimes made is to try to make Roger more human than he is on the page,&amp;quot; he continued. &amp;quot;Matt really has thought of everything, so if you try to modulate the pace at which a character is revealed, then you&amp;#039;re doing a disservice to what&amp;#039;s written.&amp;quot;  Slattery also praised the relationship between his character and Jon Hamm&amp;#039;s Don Draper, revealing that their on-screen friendship is influenced by their real-life interactions. &amp;quot;Jon and I do have personal chemistry,&amp;quot; he explained. &amp;quot;One of the things we tried to show in season three is what happens when that&amp;#039;s shaken up. The reconciliation [between the characters] in the final episode made it one of the most rewarding [moments] of the year.&amp;quot; The fourth season premiere of Mad Men aired last night on AMC. "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/tv/mad-men/news/a250886/mad-men-creator-bans-ad-libbing/>