Daylight: The Weimeraner in the Tunnel

THE MOVIE: 1996 disaster movie, Daylight

THE CAST: Sylvester Stallone, Amy Brenneman, Stan Shaw, Viggo Mortensen

THE PLOT: A deadly explosion in the Holland Tunnel traps several survivors: Sylvester Stallone tries to get them out alive.

THE DOG: A Weimeraner named Cooper, who had belonged to the late son of the Trillings, played by Colin Fox (pictured) and Claire Bloom.

DOES THE DOG DIE?No! He's not able to follow them at one point but he miraculously reappears and is rescued along with the remaining humans.
DO PEOPLE DIE? Yes, several in the initial explosion, then more fall victim to the treacherously dangerous tunnel

The Cassandra Crossing: The Basset Hound That Kind of Saves the Day

THE MOVIE: 1976 disaster film 'The Cassandra Crossing.'

THE CAST: Richard Harris, Sophia Loren, Martin Sheen, and Ava Gardner.

THE DOG: A basset hound named Iago, which belongs to Ava Gardner

THE PLOT: The dog is one of the first passengers on board a train who is exposed to a terribly infectious disease. In efforts to evacuate Patient Zero, only the dog ends up being evacuated.

DOES THE DOG DIE? (Highlight following text to read the spoiler). No! The dog seems near to entering a coma but miraculously recovers. The doctor monitoring the dog realizes the disease is not necessarily deadly.

DO PEOPLE DIE? Yes, a great many.