Deutsche Asset Management [LOGO]
                                             A Member of the Deutsche Bank Group

Chief Executive Officer
Section 906 Certification under Sarbanes Oxley Act






I, Richard T. Hale, certify that:

1.   I have reviewed this report, filed on behalf of Scudder Global
     Biotechnology Fund, Scudder Japanese Equity Fund, Scudder Top 50 US Fund, a
     series of Scudder Investors Funds, Inc., on Form N-CSR;

2.   Based on my knowledge and pursuant to 18 U.S.C. ss. 1350, the periodic
     report on Form N-CSR (the "Report") fully complies with the requirements of
     ss. 13 (a) or ss. 15 (d), as applicable, of the Securities Exchange Act of
     1934 and that the information contained in the Report fairly presents, in
     all material respects, the financial condition and results of operations of
     the Company.




October 22, 2003                                   /s/Richard T. Hale
                                                   -----------------------------
                                                   Richard T. Hale
                                                   Chief Executive Officer
                                                   Scudder Global Biotechnology
                                                   Fund, Scudder Japanese Equity
                                                   Fund, Scudder Top 50 US Fund,
                                                   a series of Scudder Investors
                                                   Funds, Inc.



                                             Deutsche Asset Management [LOGO]
                                             A Member of the Deutsche Bank Group

Chief Financial Officer
Section 906 Certification under Sarbanes Oxley Act






I, Charles A. Rizzo, certify that:

1.   I have reviewed this report, filed on behalf of Scudder Global
     Biotechnology Fund, Scudder Japanese Equity Fund, Scudder Top 50 US Fund, a
     series of Scudder Investors Funds, Inc., on Form N-CSR;

2.   Based on my knowledge and pursuant to 18 U.S.C. ss. 1350, the periodic
     report on Form N-CSR (the "Report") fully complies with the requirements of
     ss. 13 (a) or ss. 15 (d), as applicable, of the Securities Exchange Act of
     1934 and that the information contained in the Report fairly presents, in
     all material respects, the financial condition and results of operations of
     the Company.




October 22, 2003                                   /s/Charles A. Rizzo
                                                   -----------------------------
                                                   Charles A. Rizzo
                                                   Chief Financial Officer
                                                   Scudder Global Biotechnology
                                                   Fund, Scudder Japanese Equity
                                                   Fund, Scudder Top 50 US Fund,
                                                   a series of Scudder Investors
                                                   Funds, Inc.