Robert Maillet Robert Maillet ( October 26 , 1969 ) is a Canadian actor and former professional wrestler known for his tenure in the World Wrestling Federation ( or WWF , now known as World Wrestling Entertainment , or WWE ) , as a member of the Truth Commission and the Oddities as Kurrgan . He is also known for his roles in films such as 300 ( 2007 ) , Sherlock Holmes ( 2009 ) , Immortals ( 2011 ) , Pacific Rim ( 2013 ) , Brick Mansions ( 2014 ) , and Hercules ( 2014 ) . Early life . Maillet was born in Georgetown , Ontario . He grew up in Ste - Marie - de - Kent , New Brunswick , a French - Acadian village . Professional wrestling career . Maillet spent some time in Japan working for the W * ING promotion as Goliath El Gigante . He was signed to the WWF in 1997 , alongside The Jackyl , as a member of The Truth Commission . He was billed as The Interrogator . The group was sent to the United States Wrestling Association before being called up to the main WWF roster , where Maillet ' s ring name evolved into Kurrgan The Interrogator ( whose name was inspired by The Kurgan , and was occasionally referred to as The Kurrgan on television ) . Under the tutelage of The Jackyl , a charismatic cult leader , Kurrgan was a heel known for applying the Iron Claw to his opponents and not breaking the hold until The Jackyl slapped him across the face . After The Truth Commission disbanded , Maillet ( now billed simply as Kurrgan ) continued as a singles wrestler managed by The Jackyl . He later went on to be part of The Oddities , The Jackyl ' s new stable ; however , once The Jackyl was removed as the advisor of The Oddities and replaced by the Insane Clown Posse , The Oddities turned face and degenerated into comedy jobbers rather than heels . Maillet later worked for Jacques Rougeau ' s wrestling events as Kurgan . On July 8 , 2005 , he wrestled Jim Duggan during the half - time show of a Canadian Football League game in Montreal . Using the name Giant Kurgan , he worked for Emile Dupree ' s Atlantic Grand Prix Wrestling ( GPW ) and the St . John ' s - based Legend City Wrestling ( LCW ) . Acting career . Maillet appeared in the 2007 film " 300 " , an adaptation of Frank Miller ' s graphic novel of the same name . He played the Über - Immortal , a savage berserker who was part of the enemy ' s imperial guard . In November 2008 , during a fight scene for the 2009 film " Sherlock Holmes " , he accidentally punched Robert Downey , Jr . in the face , bloodying Downey and knocking him down . Downey later stated on an episode of the " Late Show with David Letterman " that Maillet was " 10 times more upset about it " than he was . Maillet played a Russian professional boxer who took a dive in the 2011 film " The Big Bang " . Later that year , he appeared in the film " Monster Brawl " as Frankenstein in a wrestling tournament of eight classic monsters that fight to the death . He played Polyphemus in the 2013 film " Percy Jackson : Sea of Monsters " , Blackwell in the 2013 film adaptation of " The Mortal Instruments : City of Bones " , and the executioner in the 2014 film " Hercules " . Personal life . Maillet has been married to Laura Eaton since June 13 , 1997 . He has both step - daughters , as well as a daughter adopted from Ethiopia . Being an Acadian , his first language is French and he is conversant in English .