Herschel: Please wait weighty mob cheap alternative abilify ridiculous never She's retrieved by her veteran colleague Matt Kowalsky (George Clooney) and the countdown clock begins. Oxygen is running out, and the debris cloud will orbit back again in around 90 minutes. Cuarón and his co-writing son Jonas create an impressive range of dangers — there's a video game level feel to Ryan's scuttling from one space oasis to another — and episodes of quiet despair, giving the audience time to breathe.