Heterocyclylaminoalkyl Substituted Benzimidazoles Inhibitors of RSV replication of formula (I): The salts and stereochemically isomeric forms thereof, wherein Q is hydrogen, C1-6alkyl optionally substituted with a heterocycle or Q is C1-6alkyl substituted with both —OR4 and a heterocycle; wherein said heterocycle is oxazolidine, thiazolidine, 1-oxo-thiazolidine, 1,1-dioxothiazolidine, morpholinyl, thiomorpholinyl, 1-oxo-thiomorpholinyl, 1,1-dioxothiomorpholinyl, hexahydrooxazepine, hexahydrothiazepine, 1-oxo-hexahydrothiazepine, 1,1-dioxo-hexahydrothiazepine, pyrrolidine, piperidine, homopiperidine, piperazine; which heterocyle may be substituted with 1-2 substituents; each Alk is C1-6alkanediyl; R1 is Ar or optionally substituted piperidinyl, piperazinyl, morpholinyl, thiomorpholinyl, pyridyl, pyrazinyl, pyridazinyl, pyrimidinyl, furanyl, tetrahydrofuranyl, thienyl, pyrrolyl, thiazolyl, oxazolyl, imidazolyl, isothiazolyl, pyrazolyl, isoxazo lyl, oxadiazolyl, quinolinyl, quinoxalinyl, benzofuranyl, benzothienyl, benzimidazolyl, benzoxazolyl, benzthiazolyl, pyridopyridyl, naphthiridinyl, 1H-imidazo[4,5-b]pyridinyl, 3H-imidazo[4,5-b]pyridinyl, imidazo[1,2-a]pyridinyl or 2,3-dihydro-1,4-dioxino[2,3-b]pyridyl; R3 is hydroxyC1-6alkyl, C1-6alkoxyC1-6alkyl, cyanoC1-6alkyl, aminocarbonyl-C1-6-alkyl, mono- or di(C1-6alkyl)aminocarbonyl-C1-6-alkyl, carboxyl-C1-6-alkyl, C1-6alkoxycarbonyl-C1-6 alkyl; R2, R4 and R5 are hydrogen or C1-6alkyl; Het is pyridyl, pyrazinyl, pyridazinyl, pyrimidinyl, furanyl, tetrahydrofuranyl, thienyl, pyrrolyl, thiazolyl, oxazolyl, imidazolyl, isothiazolyl, pyrazolyl, isoxazolyl, oxadiazolyl, quinolinyl, quinoxalinyl, benzofuranyl, benzothienyl, benzimidazolyl, benzoxazo lyl, benzthiazolyl, pyridopyridyl, naphthiridinyl, 1H-imidazo[4,5-b]-pyridinyl, 3H-imidazo[4,5-b]pyridinyl, imidazo[1,2-a]pyridinyl and 2,3-dihydro-1,4-dioxino[2,3-b]pyridyl; Ar is optionally substituted phenyl; pharmaceutical compositions containing compounds (I) and processes for preparing compounds (I).