A process for producing an acrylic resin film, comprising polymerizing 50 to 100 wt% of a methacrylate and 0 to 50 wt% of at least one monomer copolymerizable therewith to obtain a methacrylate-based resin; polymerizing the following monomer components (B-1), (B-2), (B-3), and (B-4) in this order so that rubber particles that are a polymerization product of the monomer components (B-1) and (B-2) have an average particle size of 0.2 to 0.4 μm, to obtain a rubber-containing graft copolymer, said average particle size being determined from a micrograph taken with a transmission electron microscope as described in the specification: a monomer component (B-1) comprising 60 to 100 wt% of a methacrylate (b-1-1), 40 to 0 wt% of a monofunctional monomer (b-1-2) copolymerizable therewith, and 0.05 to 10 parts by weight of a polyfunctional monomer (b-1-3) (with respect to 100 parts by weight of (b-1-1) + (b-1-2)); a monomer component (B-2) comprising 50 to 100 wt% of an acrylate (b-2-1), 50 to 0 wt% of a monofunctional monomer (b-2-2) copolymerizable therewith, and 0.05 to 10 parts by weight of a polyfunctional monomer (b-2-3) (with respect to 100 parts by weight of (b-2-1) + (b-2-2)); a monomer component (B-3) comprising 50 to 100 wt% of a methacrylate (b-3-1) and 50 to 0 wt% of a monofunctional monomer (b-3-2) copolymerizable therewith, and containing no polyfunctional monomer; and a monomer component (B-4) comprising 0 to 70 wt% of a methacrylate (b-4-1) and 100 to 30 wt% of a monofunctional monomer (b-4-2) copolymerizable therewith, and containing no polyfunctional monomer; polymerizing the following monomer components (C-1) and (C-2) in this order so that rubber particles that are a polymerization product of the monomer component (C-1) have an average particle size of 0.02 to 0.15 μm, to obtain a rubber-containing graft copolymer that is a two-layer polymer, said average particle size being determined from a micrograph taken with a transmission electron microscope as described in the specification: a monomer component (C-1) comprising 50 to 100 wt% of an acrylate (c-1-1), 50 to 0 wt% of a methacrylate (c-1-2), and 0.05 to 10 parts by weight of a polyfunctional monomer (c-1-3) (with respect to 100 parts by weight of (c-1-1) + (c-1-2)); and a monomer component (C-2) comprising 50 to 100 wt% of a methacrylate (c-2-1) and 50 to 0 wt% of a monofunctional monomer (c-2-2) copolymerizable therewith; and forming, into a film, a methacrylic resin composition containing the components to. a monomer component (B-1) comprising 60 to 100 wt% of a methacrylate (b-1-1), 40 to 0 wt% of a monofunctional monomer (b-1-2) copolymerizable therewith, and 0.05 to 10 parts by weight of a polyfunctional monomer (b-1-3) (with respect to 100 parts by weight of (b-1-1) + (b-1-2)); a monomer component (B-2) comprising 50 to 100 wt% of an acrylate (b-2-1), 50 to 0 wt% of a monofunctional monomer (b-2-2) copolymerizable therewith, and 0.05 to 10 parts by weight of a polyfunctional monomer (b-2-3) (with respect to 100 parts by weight of (b-2-1) + (b-2-2)); a monomer component (B-3) comprising 50 to 100 wt% of a methacrylate (b-3-1) and 50 to 0 wt% of a monofunctional monomer (b-3-2) copolymerizable therewith, and containing no polyfunctional monomer; and a monomer component (B-4) comprising 0 to 70 wt% of a methacrylate (b-4-1) and 100 to 30 wt% of a monofunctional monomer (b-4-2) copolymerizable therewith, and containing no polyfunctional monomer; polymerizing the following monomer components (C-1) and (C-2) in this order so that rubber particles that are a polymerization product of the monomer component (C-1) have an average particle size of 0.02 to 0.15 μm, to obtain a rubber-containing graft copolymer that is a two-layer polymer, said average particle size being determined from a micrograph taken with a transmission electron microscope as described in the specification: a monomer component (C-1) comprising 50 to 100 wt% of an acrylate (c-1-1), 50 to 0 wt% of a methacrylate (c-1-2), and 0.05 to 10 parts by weight of a polyfunctional monomer (c-1-3) (with respect to 100 parts by weight of (c-1-1) + (c-1-2)); and a monomer component (C-2) comprising 50 to 100 wt% of a methacrylate (c-2-1) and 50 to 0 wt% of a monofunctional monomer (c-2-2) copolymerizable therewith; and a monomer component (C-1) comprising 50 to 100 wt% of an acrylate (c-1-1), 50 to 0 wt% of a methacrylate (c-1-2), and 0.05 to 10 parts by weight of a polyfunctional monomer (c-1-3) (with respect to 100 parts by weight of (c-1-1) + (c-1-2)); and a monomer component (C-2) comprising 50 to 100 wt% of a methacrylate (c-2-1) and 50 to 0 wt% of a monofunctional monomer (c-2-2) copolymerizable therewith; and forming, into a film, a methacrylic resin composition containing the components to.