<P> Brian Edmund Posehn ( born July 6 , 1966 ) is an American actor , voice actor , musician , writer , and comedian , known for his roles as Jim Kuback on The WB 's Mission Hill and Brian Spukowski on Comedy Central 's The Sarah Silverman Program . He also has a recurring role on The Big Bang Theory as geologist Bert Kibbler . </P>
<P> Brian Edmund Posehn ( born July 6 , 1966 ) is an American actor , voice actor , musician , writer , and comedian , known for his roles as Jim Kuback on The WB 's Mission Hill and Brian Spukowski on Comedy Central 's The Sarah Silverman Program . He also has a recurring role on The Big Bang Theory as geologist Bert Kibbler . </P>
who played bert on the big bang theory
who played bert on the big bang theory
Brian Edmund Posehn
Brian Edmund Posehn