1



                                                                      Exhibit 23




                         CONSENT OF INDEPENDENT AUDITORS

We consent to the incorporation by reference in the Prospectuses constituting
part of GenCorp Inc.'s Post-Effective Amendment No. 1 to Registration Statement
No. 2-80440 on Form S-8 and Post-Effective Amendment No. 4 to Registration
Statement No. 2-66840 on Form S-8 pertaining to the Profit Sharing Retirement
and Savings Plan for Salaried Employees of GenCorp Inc. and Certain Subsidiary
Companies of our report dated April 23, 2001, with respect to the financial
statements of the Profit Sharing Retirement and Savings Plan for Salaried
Employees of GenCorp Inc. and Certain Subsidiary Companies included in this
Annual Report (Form 11-K) for the year ended October 31, 2000.

                                                      Ernst & Young LLP

Sacramento, California
April 23, 2001



                                                                              14