In a molded composite article, a resin member comprising a non-urethane-series thermoplastic resin and a resin member comprising a thermoplastic polyurethane-series resin are directly joined with each other; and the non-urethane-series thermoplastic resin is a non-urethane-series thermoplastic resin (Ib) or (IIb), and the non-urethane-series thermoplastic resin and the thermoplastic polyurethane-series resin fulfill a following requirement (Ia) or (IIa), (Ia): the non-urethane-series thermoplastic resin (Ib) comprises at least one member selected from the group consisting of a polyamide component having an alicyclic ring, and an amino group-containing compound, or (IIa): each of the non-urethane-series thermoplastic resin (IIb) and the thermoplastic polyurethane-series resin has a polyether segment. The resin composition (Ib) may be a resin composition (Ib-2) containing a non-urethane-series thermoplastic resin and the amino group-containing compound. The molded composite article can be produced by heating at least one selected from the non-urethane-series thermoplastic resin and thermoplastic polyurethane-series resin to join the other. Even if the base resin is a non-urethane-series thermoplastic resin, the present invention achieves a direct and firm bonding between the non-urethane-series thermoplastic resin member and the thermoplastic polyurethane-series resin member which were different in properties from each other by a simple process.