Given what is about to happen in "Gravity," it could be the film's take on Tom Hanks' famous "Apollo 13" movie line, "Houston, we have a problem." (In reality, the real James Lovell radioed "Houston, we've had a problem," a nitpick, but one that space enthusiasts are quick to point out.) In "Gravity" however, the "bad feeling" is only a segue into a funny story.
But who is that answering Kowalski's call from Mission Control? Though never seen on screen, the voice belongs to none other than Ed Harris, who portrayed flight director Gene Kranz in the 1995 Ron Howard film (and while we're playing "Five Degrees of [Spaceflight] Separation," Harris also appeared in "The Right Stuff" as John Glenn).
You hear that Dr. Ryan Stone? Failure is not an option!