In which film did Dennis Quaid play a paleoclimatologist called Jack Hall?

What a great actor, and a guy I would love to meet.

He has had a very interesting film career & is a good actor in whatever he does.

Loved this movie… special effects were great… all the actors in this one were fantastic… if you have not seen it see it…

I froze when I seen that word he became a what? Then my time ran out l need to read the explanation before l can answer be patient with me please