David Tennant (and Sarah Parish) did an amazing job in this two-part miniseries. I admit that I may be biased, since I am a head injury survivor, myself (I suffered two subdural hematomas in the frontal/temporal areas of my brain), but I really don't think so. I *do* admit that I had to stop the film and cry a few times (like when David/'Alan' got hit by the truck, or when he found himself flummoxed by what he needed to use in the shower, or when he ...). And David Tennant will *always* be my hero, both for taking on this role, and for taking on the 'real' role of the patron of Headway Essex (a recovery center for the head-injured)!