Norwegian actor Trond Faus and Dan Gill (The Wedding Ringer) have signed on as series regulars opposite Bridgit Mendler in Thin Ice, Fox's single-camera comedy pilot co-written and executive produced by New Girl creator Liz Meriwether. Written by Meriwether, Ed Macdonald and Mark Grimmer, and to be directed by James Ponsoldt, Thin Ice centers on Lou (Mendler) who reclaims her dreams when she finds herself at the end of the earth — in Antarctica — surrounded by a group of…