OK, the film is plodding and the over caution and dourness of Gregory Peck's Dr. Keith gets irritating, but James Franciscus, stalwart of many a tv movie and dodgy international co-production, puts in a career best performance as the scientist-astronaut struggling to keep a grip on not only his faculties, but those of his fellow astronauts. Because he can work out scientifically what's going to happen, Clayton Stone (Franciscus) has the added burden. The scenes where he's trying to convince his wife back on Earth that they're going to make it, when the evidence is telling him in his mind of the opposite, the way he struggles with trying to convey how he feels when he's more a cerebral person and the end when its down to him to rescue himself and Buzz Lloyd (Hackman) are all excellently portrayed. It's a shame that he was seldom given another role that would have as much depth.
