In TV land, HBO's "True Detective" won the Drama Series award and FX's "Louie" received the Comedy Series trophy.
Here's the complete list of winners (highlighted) and nominees of the 2015 Writers Guild Awards:
Boyhood, Written by Richard Linklater; IFC Films
Foxcatcher, Written by E. Max Frye and Dan Futterman; Sony Pictures Classics
The Grand Budapest Hotel, Screenplay by Wes Anderson; Story by Wes Anderson & Hugo Guinness; Fox Searchlight Winner
Nightcrawler, Written by Dan Gilroy; Open Road Films
Whiplash, Written by Damien Chazelle; Sony Pictures Classics