<PAGE> PAGE 1
000 A000000 12/31/96
000 C000000 0000351895
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 A
001 A000000 ACTIVE ASSETS MONEY TRUST
001 B000000 811-3159
001 C000000 2123921600
002 A000000 TWO WORLD TRADE CENTER
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10048
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
007 C010200 2
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
008 A000001 DEAN WITTER INTERCAPITAL INC.
008 B000001 A
008 C000001 801-42061
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10048
011 A000001 DEAN WITTER DISTRIBUTORS INC.
011 B000001 8-45262
011 C010001 NEW YORK
011 C020001 NY
011 C030001 10048
012 A000001 DEAN WITTER TRUST COMPANY
012 B000001 84-1785
012 C010001 NEW YORK
012 C020001 NY
012 C030001 07311
013 A000001 PRICE WATERHOUSE LLP
013 B010001 NEW YORK
013 B020001 NY
<PAGE> PAGE 2
013 B030001 10036
014 A000001 DEAN WITTER REYNOLDS INC.
014 B000001 8-14172
015 A000001 THE BANK OF NEW YORK
015 B000001 C
015 C010001 NEW YORK
015 C020001 NY
015 C030001 10025
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 126
019 C000000 DEANWITTER
020 C000001 0
020 C000002 0
020 C000003 0
020 C000004 0
020 C000005 0
020 C000006 0
020 C000007 0
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 0
022 A000001 AMERICAN EXPRESS CREDIT CORP.
022 B000001 11-1988350
022 C000001 1061968
022 D000001 0
022 A000002 GOLDMAN, SACHS & CO.
022 B000002 13-5108880
022 C000002 942701
022 D000002 46192
022 A000003 MERRILL LYNCH & PIERCE, FENNER & SMITH INC.
022 B000003 13-5674085
022 C000003 966606
022 D000003 0
022 A000004 LEHMAN BROTHERS INC.
022 B000004 13-2518466
022 C000004 737783
022 D000004 0
022 A000005 PNC SECURITIES CORP.
022 B000005 25-1471636
022 C000005 513175
022 D000005 0
022 A000006 FIRST CHICAGO CAPTIAL MARKETS, INC.
022 B000006 36-3595942
022 C000006 491490
022 D000006 0
022 A000007 CIT GROUP HIDGS, INC.
022 B000007 13-2994534
022 C000007 488600
<PAGE> PAGE 3
022 D000007 0
022 A000008 BA SECURITIES, INC.
022 B000008 95-4035346
022 C000008 480460
022 D000008 0
022 A000009 DEUTSCHE BANK SECURITIESSS
022 B000009 13-2730828
022 C000009 468582
022 D000009 0
022 A000010 GENERAL ELECTRIC CAPITAL CORPORATION
022 B000010 13-1500700
022 C000010 426183
022 D000010 0
023 C000000 13350431
023 D000000 56921
024 000000 N
025 D000001 0
025 D000002 0
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
026 A000000 N
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 Y
028 A010000 2449733
028 A020000 32072
028 A030000 0
028 A040000 2169170
028 B010000 2240931
028 B020000 31045
028 B030000 0
028 B040000 2242589
028 C010000 2268860
028 C020000 30651
028 C030000 0
028 C040000 2179685
028 D010000 2498402
028 D020000 35683
028 D030000 0
028 D040000 2362878
028 E010000 2440235
<PAGE> PAGE 4
028 E020000 30939
028 E030000 0
028 E040000 2191440
028 F010000 2889770
028 F020000 38375
028 F030000 0
028 F040000 3261678
028 G010000 14787931
028 G020000 198765
028 G030000 0
028 G040000 14407440
028 H000000 0
029 000000 N
030 A000000 0
030 B000000 0.00
030 C000000 0.00
031 A000000 0
031 B000000 0
032 000000 0
033 000000 0
034 000000 N
035 000000 0
036 B000000 0
037 000000 N
038 000000 0
039 000000 N
040 000000 Y
041 000000 Y
042 A000000 0
042 B000000 0
042 C000000 100
042 D000000 0
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 3952
044 000000 0
045 000000 Y
046 000000 N
047 000000 Y
048 000000 0.000
048 A010000 500000
048 A020000 0.500
048 B010000 250000
048 B020000 0.425
048 C010000 250000
048 C020000 0.375
048 D010000 500000
048 D020000 0.350
048 E010000 500000
<PAGE> PAGE 5
048 E020000 0.325
048 F010000 500000
048 F020000 0.300
048 G010000 500000
048 G020000 0.275
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
048 K010000 3000000
048 K020000 0.250
049 000000 N
050 000000 N
051 000000 N
052 000000 N
053 A000000 N
054 A000000 Y
054 B000000 Y
054 C000000 Y
054 D000000 N
054 E000000 N
054 F000000 N
054 G000000 Y
054 H000000 Y
054 I000000 N
054 J000000 Y
054 K000000 N
054 L000000 Y
054 M000000 Y
054 N000000 N
054 O000000 N
055 A000000 N
055 B000000 N
056 000000 N
057 000000 N
058 A000000 N
059 000000 Y
060 A000000 Y
060 B000000 Y
061 000000 5000
062 A000000 Y
062 B000000 0.0
062 C000000 3.3
062 D000000 0.0
062 E000000 0.0
062 F000000 9.3
062 G000000 0.0
062 H000000 2.9
062 I000000 78.2
<PAGE> PAGE 6
062 J000000 0.0
062 K000000 0.0
062 L000000 6.2
062 M000000 0.0
062 N000000 0.0
062 O000000 0.0
062 P000000 0.0
062 Q000000 0.0
062 R000000 0.0
063 A000000 69
063 B000000 0.0
064 A000000 Y
064 B000000 N
066 A000000 N
067 000000 N
068 A000000 N
068 B000000 N
069 000000 N
070 A010000 Y
070 A020000 Y
070 B010000 N
070 B020000 N
070 C010000 N
070 C020000 N
070 D010000 N
070 D020000 N
070 E010000 N
070 E020000 N
070 F010000 N
070 F020000 N
070 G010000 N
070 G020000 N
070 H010000 N
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 N
070 J020000 N
070 K010000 N
070 K020000 N
070 L010000 N
070 L020000 N
070 M010000 N
070 M020000 N
070 N010000 Y
070 N020000 N
070 O010000 Y
070 O020000 Y
070 P010000 Y
070 P020000 N
070 Q010000 N
<PAGE> PAGE 7
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000 0
071 B000000 0
071 C000000 0
071 D000000 0
072 A000000 6
072 B000000 217071
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 11535
072 G000000 0
072 H000000 0
072 I000000 1656
072 J000000 145
072 K000000 0
072 L000000 104
072 M000000 7
072 N000000 381
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 17
072 S000000 7
072 T000000 3951
072 U000000 0
072 V000000 0
072 W000000 29
072 X000000 17832
072 Y000000 0
072 Z000000 199239
072AA000000 0
072BB000000 0
072CC010000 0
072CC020000 0
072DD010000 199242
072DD020000 0
072EE000000 0
073 A010000 0.0254
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 32
074 B000000 0
074 C000000 7738892
074 D000000 0
074 E000000 0
074 F000000 0
074 G000000 0
<PAGE> PAGE 8
074 H000000 0
074 I000000 0
074 J000000 0
074 K000000 0
074 L000000 13805
074 M000000 181
074 N000000 7752910
074 O000000 0
074 P000000 3092
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 421
074 S000000 0
074 T000000 7749397
074 U010000 7749393
074 U020000 0
074 V010000 1.00
074 V020000 0.00
074 W000000 0.9993
074 X000000 286368
074 Y000000 0
075 A000000 7754528
075 B000000 0
076 000000 0.00
077 A000000 Y
077 B000000 N
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
077 O000000 N
077 P000000 Y
077 Q010000 N
077 Q020000 N
077 Q030000 N
078 000000 N
080 C000000 0
081 B000000 0
082 B000000 0
083 B000000 0
084 B000000 0
<PAGE> PAGE 9
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
SIGNATURE
TITLE
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
Active Assets Money Trust
Semi-Annal
12/31/96
</LEGEND>
<CIK> 0000351895
<NAME> ACTIVE ASSETS MONEY TRUST
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-1997
<PERIOD-END> DEC-31-1996
<INVESTMENTS-AT-COST> 7,738,892,016
<INVESTMENTS-AT-VALUE> 7,738,892,016
<RECEIVABLES> 13,805,454
<ASSETS-OTHER> 212,891
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 7,752,910,361
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3,513,023
<TOTAL-LIABILITIES> 3,513,023
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 7,749,393,397
<SHARES-COMMON-STOCK> 7,749,393,397
<SHARES-COMMON-PRIOR> 7,170,136,722
<ACCUMULATED-NII-CURRENT> 3,941
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 7,749,397,338
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 217,071,602
<OTHER-INCOME> 0
<EXPENSES-NET> 17,832,164
<NET-INVESTMENT-INCOME> 199,239,438
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 199,239,438
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (199,242,065)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 14,787,931,332
<NUMBER-OF-SHARES-REDEEMED> (14,407,439,762)
<SHARES-REINVESTED> 198,765,105
<NET-CHANGE-IN-ASSETS> 579,254,048
<ACCUMULATED-NII-PRIOR> 6,568
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 11,534,821
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 17,832,164
<AVERAGE-NET-ASSETS> 7,754,527,880
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.025
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> 0.025
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.45
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
