Compass's Iofur/Ragnar is both not this Ragnar, and not Patrick Stewart. He's voiced by Ian McShane of Deadwood fame. (Iorek is voiced by Sir Ian McKellen, Also Not Patrick Stewart.)Sgt. Ragnarsson is his own bear, as it were.
Ard Sumhenner
that Janice chick
Usual Suspect and VFX nerd on Compass