- Follow Us! Never Let Me Go opens in limited theaters on September 15th, 2010 and goes wide October 1st, 2010. Cast: Carey Mulligan, Keira Knightley, Andrew Garfield, Sally Hawkins, Charlotte Rampling, Nathalie Richard, Andrea Riseborough Kathy (Carey Mulligan), Tommy (Andrew Garfield) and Ruth (Keira Knightley) live in a world and a time that feel familiar to us, but are not quite like anything we know. They spend their childhood at Hailsham, a seemingly idyllic English boarding school. When they leave the shelter of the school and the terrible truth of their fate is revealed to them, they must also confront the deep feelings of love, jealousy and betrayal that threaten to pull them apart. Never Let Me Go trailer courtesy Fox Searchlight Pictures.