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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001179110-04-023814.txt : 20041221
<SEC-HEADER>0001179110-04-023814.hdr.sgml : 20041221
<ACCEPTANCE-DATETIME>20041221182346
ACCESSION NUMBER:		0001179110-04-023814
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20041220
FILED AS OF DATE:		20041221
DATE AS OF CHANGE:		20041221

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TCW CONVERTIBLE SECURITIES FUND INC
		CENTRAL INDEX KEY:			0000809559
		IRS NUMBER:				930939398
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		865 S FIGUEROA ST STE 1800
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90071
		BUSINESS PHONE:		2132440000

	MAIL ADDRESS:	
		STREET 1:		865 S. FIGUEROA STREET,
		STREET 2:		SUITE 1800
		CITY:			LOSANGELES
		STATE:			CA
		ZIP:			90017

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ELLISON ERNEST O
		CENTRAL INDEX KEY:			0001198609

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-04980
		FILM NUMBER:		041218667

	BUSINESS ADDRESS:	
		STREET 1:		TCW INVESTMENT MANAGEMENT CO.
		STREET 2:		865 S. FIGUEROA ST.
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90017
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-12-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000809559</issuerCik>
        <issuerName>TCW CONVERTIBLE SECURITIES FUND INC</issuerName>
        <issuerTradingSymbol>CVT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001198609</rptOwnerCik>
            <rptOwnerName>ELLISON ERNEST O</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TCW CONVERTIBLE SECURITIES FUND, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>865 S. FIGUEROA STREET</rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-12-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4325</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.2013</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11095</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This sale represented 4,325 shares owned directly (Ernest O. Ellison IRA Rollover).  After this filing his ownership is: 10,000 shares owned directly (Ernest O. Ellison Defined Benefit Pension Plan account, 1,085 shares owned indirectly (held in a charitable trust) and 10 shares owned directly (Ernest O. Ellison).</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Philip K. Holl for Ernest O. Ellison by Power of Attorney dated August 22, 2002</signatureName>
        <signatureDate>2004-12-21</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24eoe.txt
<TEXT>
EXECUTION COPY
POWER OF ATTORNEY

TCW Convertible Securities Fund, Inc.

The undersigned hereby constitutes and appoints Michael E.
Cahill, Linda D. Barker, Toni A. Forge, Harold H. Henderson,
Philip K. Holl, Jerry S. Plater and Lazarus N. Sun, and each of
them, his or her true and lawful attorneys-in-fact and agents,
each of them with full power of substitution and resubstitution,
for him or her and in his or her name, place and stead, in any
and all capacities, to sign any or all reports and forms required
under Section 16 of the Securities and Exchange Act of 1934, as
amended, including but not limited to all Form 3, Form 4 and Form
5 filings, and to file the same with the Securities and Exchange
Commission ("Commission") and the New York Stock Exchange,
granting unto each of said attorneys-in-fact and agents full
power and authority to do and perform each and every act and
thing necessary or appropriate to be done with respect to such
reports and forms or any amendments or supplements thereto in and
about the premises, as fully to all intents and purposes as he or
she might or could do in person, hereby ratifying and confirming
all that any of said attorneys-in-fact and agents or his or her
substitute or substitutes, may lawfully do or cause to be done by
virtue hereof.This Power of Attorney may be terminated at any
time by the undersigned by written notice to each of the
attorneys-in-fact and the Commission; provided, however, that
such termination shall not affect the validity of any lawful
action done or performed by the attorneys-in-fact or any of them,
pursuant thereto, prior to the actual receipt of notice by the
attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has executed this Power of
Attorney this _22nd_ day of August, 2002.

   /s/   Ernest O. Ellison____________
Ernest O. Ellison

G:\CSFINC\SEC16\POA\Ellison-E 08-02.doc

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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