Throughout filming, Julian Sands (who is allergic to seafood) refused to eat anything other than crab meat, saying it helped him "imagine the discomfort of a man confined to a spacesuit for a month."
Maggie Bartok: [having been turned down by Kirilenko for dinner]
Oh, that's right, I forgot. You don't eat food. I'll have the infirmary send up a quart of warm blood.