-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 ULiqz76JzuA/W+9d4k9VDOj1Eud77jdJQg4o6Pgfpm2hGM4rOAAn08fpKaGu9sG0
 oLU05nzkf5f2T5bmgHGKqw==

<SEC-DOCUMENT>0001124460-03-000004.txt : 20031125
<SEC-HEADER>0001124460-03-000004.hdr.sgml : 20031125
<ACCEPTANCE-DATETIME>20031125185407
ACCESSION NUMBER:		0001124460-03-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031121
FILED AS OF DATE:		20031125

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			EDENS WESLEY R
		CENTRAL INDEX KEY:			0001124460

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31458
		FILM NUMBER:		031024239

	BUSINESS ADDRESS:	
		STREET 1:		1251 AVENUE OF THE AMERICAS 16 FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10020
		BUSINESS PHONE:		2127986100

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NEWCASTLE INVESTMENT CORP
		CENTRAL INDEX KEY:			0001175483
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				810559116
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		C/O FORTRESS
		STREET 2:		1251 AVENUE OF THE AMERICAS 16TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10020
		BUSINESS PHONE:		2127986100

	MAIL ADDRESS:	
		STREET 1:		C/O FORTRESS
		STREET 2:		1251 AVENUE OF THE AMERICAS 16TH FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10020
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2003-11-21</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001175483</issuerCik>
        <issuerName>NEWCASTLE INVESTMENT CORP</issuerName>
        <issuerTradingSymbol>NCT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001124460</rptOwnerCik>
            <rptOwnerName>EDENS WESLEY R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>

        <derivativeTransaction>
            <securityTitle>
                <value>Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>22.85</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2003-11-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>328227</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>22.85</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <value>2013-11-21</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock, par value $0.01 per share</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>328227</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>328227</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Fortress Investment Holdings LLC</value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>

    </derivativeTable>

    <footnotes>
        <footnote id="F1">Mr. Edens may be deemed to be the beneficial owner of these shares by virtue of his beneficial ownership of a portion of Fortress Investment Holdings LLC (&quot;FIH&quot;).  Mr. Edens disclaims beneficial ownership of all shares of common stock of the Issuer and derivative securities therefor held by FIH except to the extent of his pecuniary interest therein.</footnote>
        <footnote id="F2">The Option is fully vested on the date of grant and is exercisable in thirty (30) equal monthly installments beginning on December 1, 2003.</footnote>
        <footnote id="F3">$22.85 is the Conversion or Exercise Price of Derivative Security.</footnote>
    </footnotes>


    <ownerSignature>
        <signatureName>/s/ Wesley Edens</signatureName>
        <signatureDate>2003-11-25</signatureDate>
    </ownerSignature>

</ownershipDocument>

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