The invention provides: an active energy ray-curable composition comprising an active energy ray-curable compound (A) and a resin (B) including a quaternary ammonium salt represented by general formula (1); and a film using said composition. This active energy ray-curable composition is capable of forming a cured coating film having antistatic properties comparable to or better than the antistatic properties of conventional compositions without using halogens such as chlorides, i.e., while being free of halogens. (In the formula, R1 to R3 each independently represent an alkyl group or a phenyl group, and R4 represents an alkyl group, an alkoxy group, a phenyl group, or an oxyphenyl group.)