-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 WbzsS4bSMQjW8G6KayH33FrrOcoCsg1lFXoxIHRhjTAa2TjeKHyZ67lG1Lmp+5lZ
 jwHU06PZhlnvgNkEeevKAQ==

<SEC-DOCUMENT>0001179110-06-002580.txt : 20060201
<SEC-HEADER>0001179110-06-002580.hdr.sgml : 20060201
<ACCEPTANCE-DATETIME>20060201180151
ACCESSION NUMBER:		0001179110-06-002580
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20060131
FILED AS OF DATE:		20060201
DATE AS OF CHANGE:		20060201

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ALBE ALVIN A JR
		CENTRAL INDEX KEY:			0001198600

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	811-04980
		FILM NUMBER:		06570997

	BUSINESS ADDRESS:	
		STREET 1:		TCW INVESTMENT MANAGEMENT CO
		STREET 2:		865 S. FIGUEROA ST.
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90017

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
</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>2006-01-31</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001198600</rptOwnerCik>
            <rptOwnerName>ALBE ALVIN A JR</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TCW CONVERTIBLE SECURITIES FUND, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>865 S. FIGUEROA STREET, SUITE 1800</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>President &amp; Chief Executive Of</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-01-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>7900</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>4.8425</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7900</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>Philip K. Holl</signatureName>
        <signatureDate>2006-02-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ex24ara.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 22 day of August, 2002.
   /s/   Alvin R. Albe, Jr.
G:\CSFINC\SEC16\POA\EX24ARA.txt

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
