I would generally agree that the dialogue and acting was of a rather dismal standard for this movie, but then again, that's what it is -- a low budget film, without the resources or aspiration to do better.
I kept watching because of the extraordinary acting of the man who played the uncle with what appears to be a variant of Asperger's syndrome. I think it's the actor Rhett Giles, but can't confirm, as during the film his name (and that of too many other characters) was mentioned too few times to even establish his identity for the casual viewer.
I was very impressed with this actor's ability and would like to see more. He had the mannerisms down to a tee and the scriptwriters certainly knew the aptest lines to supply him with.
I thought the actor playing the mayor of the town, the brother of the character named above, did a competent job with the dialogue given him. I thought he had more on-screen presence than the man chosen to play the president.
The young man who played his son also showed some charisma, maybe it was just his dark good looks, but I am sure he will find other roles.
I was surprised and pleased to see Stephanie Jacobsen, an Australian who no longer sounds like one. But she's had significant roles in The Sarah Connor Chronicles and Battlestar Galactica, so I'm not sure why she would agree to sign on for a project that must have had so little funding behind it.
Despite the loss of 90 minutes when I could have been doing something else, I'm still glad I saw the slightly strange uncle character -- whoever played him (if it was Rhett Giles), he deserves an honourable mention.