Did Allen Dulles know the Bay of Pigs invasion would fail?

In response to the trailer for the CIA movie, "The Good Shepherd," Dan asks:

Did the Soviets and Cubans know the date and time of the invasion in advance? If yes, is it also true Allen Dulles knew the mission was compromised and went ahead regardless?

Answer: The Cubans knew the invasion was coming but they did not know the date and time. There was no hi…