As filed with the Securities and Exchange Commission on March 21, 2013

Securities Act File No. 033-52272

Investment Company Act File No. 811-07170

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-1A

REGISTRATION STATEMENT

UNDER

THE SECURITIES ACT OF 1933	x
Post-Effective Amendment No. 80	x

and/or

REGISTRATION STATEMENT

UNDER

THE INVESTMENT COMPANY ACT OF 1940	x
Amendment No. 83	x

TCW FUNDS, INC.

(Exact Name of Registrant as Specified in Charter)

865 South Figueroa Street, Suite 1800

Los Angeles, CA 90017

(Address of Principal Executive Office) (Zip Code)

Registrant’s Telephone Number, including Area Code: 1 (213) 244-0000

Patrick W. Dennis, Esq.

Assistant Secretary

865 South Figueroa Street, Suite 1800, Los Angeles, CA 90017

(Name and Address of Agent for Service)

It is proposed that this filing will become effective (check appropriate box):

x Immediately upon filing pursuant to paragraph (b)

¨ On (date) pursuant to paragraph (b)

¨ 60 days after filing pursuant to paragraph (a)(1)

¨ On (date) pursuant to paragraph (a)(1)

¨ 75 days after filing pursuant to paragraph (a)(2)

¨ On (date) pursuant to paragraph (a)(2) of Rule 485

If appropriate, check the following box:

¨ This post-effective amendment designates a new effective date for a previously-filed post-effective amendment.

SIGNATURES

Pursuant to the requirements of the Securities Act of 1933 and the Investment Company Act of 1940, the Registrant certifies that it meets all the requirements for effectiveness of this Registration Statement under Rule 485(b) under the Securities Act of 1933 and has duly caused this amendment to the Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Los Angeles and State of California on the 21^st day of March 2013.

TCW FUNDS, INC.
By:	/s/ Patrick W. Dennis
	Patrick W. Dennis
	Assistant Secretary

Pursuant to the requirements of the Securities Act of 1933, the Registrant’s registration statement has been signed below by the following persons in the capacities and on the dates indicated.

Signature	Title	Date
* /s/ Patrick C. Haden Patrick C. Haden	Chairman and Director	March 21, 2013
* /s/ Charles W. Baldiswieler Charles W. Baldiswieler	Director and President (Chief Executive Officer)	March 21, 2013
* /s/ Samuel P. Bell Samuel P. Bell	Director	March 21, 2013
* /s/ John A. Gavin John A. Gavin	Director	March 21, 2013
* /s/ Janet E. Kerr Janet E. Kerr	Director	March 21, 2013
* /s/ Peter McMillan Peter McMillan	Director	March 21, 2013
* /s/ Charles A. Parker Charles A. Parker	Director	March 21, 2013
* /s/ Victoria B. Rogers Victoria B. Rogers	Director	March 21, 2013
* /s/ Marc I. Stern Marc I. Stern	Director	March 21, 2013
* /s/ Andrew Tarica Andrew Tarica	Director	March 21, 2013
/s/ David S. DeVito David S. DeVito	Treasurer (Principal Financial and Accounting Officer)	March 21, 2013

*By:	/s/ Patrick W. Dennis
	Patrick W. Dennis
	* Pursuant to Powers of Attorney

EXHIBIT INDEX

Index No.	Description of Exhibit
EX-101.INS	XBRL Instance Document
EX-101.SCH	XBRL Taxonomy Extension Schema Document
EX-101.CAL	XBRL Taxonomy Extension Calculation Linkbase
EX-101.DEF	XBRL Taxonomy Extension Definition Linkbase
EX-101.LAB	XBRL Taxonomy Extension Label Linkbase
EX-101.PRE	XBRL Taxonomy Extension Presentation Linkbase