James Arness ' name was misspelled in The Farmer 's Daughter .
His film debut was as Loretta Young 's ( Katie Holstrom ) brother , Peter Holstrom , in The Farmer 's Daughter ( 1947 ) .Though identified with westerns , Arness also appeared in two science fiction films , The Thing from Another World ( in which he portrayed the title character ) and Them ! .
James Arness