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"Doctor Who star Matt Smith has been described as a &amp;quot;wonderful Doctor&amp;quot; by Liam Cunningham, who appears in this weekend&amp;#039;s episode. &amp;#039;Cold War&amp;#039; is the latest instalment penned by Mark Gatiss, and features The Doctor and Clara (Jenna-Louise Coleman) facing off with an Ice Warrior aboard a Russian submarine.   Cunningham - who plays Captain Zhukov - told Access Hollywood this week that he greatly enjoyed seeing Smith embody the role of the Eleventh Doctor. &amp;quot;Matt Smith is a wonderful Doctor. He&amp;#039;s wonderful,&amp;quot; Cunningham declared, adding: &amp;quot;He&amp;#039;s a very quirky character both in real life and as Doctor Who.&amp;quot; The actor continued: &amp;quot;I&amp;#039;d seriously say, I think he&amp;#039;s gonna go down as - definitely one of the classics of the Doctors, definitely, definitely, and a delightful human being - as is Jenna-Louise.&amp;quot;  Cunningham is well known for his portrayal of Davos Seaworth in Game of Thrones, which kicked off its third season last weekend in the US. His casting in &amp;#039;Cold War&amp;#039; came alongside David Warner, Tobias Menzies and Spencer Wilding. This episode will also mark the first appearance of an Ice Warrior in Doctor Who since &amp;#039;The Monster of Peladon&amp;#039; in 1974. Doctor Who airs on Saturday on BBC One in the UK and BBC America in the US. Doctor Who - &amp;#039;Cold War&amp;#039; in pictures:  "^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/tv/doctor-who/news/a472820/doctor-who-guest-star-liam-cunningham-matt-smith-is-wonderful/>