Complex sentence: Despite an all-star cast and director Reiner at the helm, "North" was both a critical and commercial failure, and was hated so thoroughly by critics Gene Siskel and Roger Ebert that both named it the worst film of 1994.
Split into simpler sentences: Despite an all-star cast and director Reiner at the helm, "North" has received negative reviews. Worse, this film was a Box office flop, and was hated so thoroughly by critics Gene Siskel and Roger Ebert that both named it the worst film of 1994.