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                                                                  EXHIBIT 10.21


FIRST AMENDMENT TO EMPLOYMENT AGREEMENT BETWEEN SPENCER J. ANGEL ("EXECUTIVE")
AND CONTINUCARE CORPORATION (F/K/A ZANART ENTERTAINMENT INCORPORATED)
(HEREINAFTER THE "COMPANY"), ENTERED INTO AS OF THE 1ST DAY OF NOVEMBER, 1999

         In consideration of the sum of $1 and other good and valuable
consideration the receipt of which is hereby acknowledged, the employment
agreement between the Company and the Executive dated as of July 12, 1999 is
hereby amended effective as of the date hereof as follows:

1. Paragraph 1.2 of the Agreement is hereby amended to read as follows:

                  "1.2. DUTIES OF EXECUTIVE. During the term of this Agreement,
                  the Executive shall serve as a member of the Board and
                  President of the Company, shall diligently perform all
                  services as may be assigned to him by the Board, and shall
                  exercise such power and authority as may from time to time be
                  delegated to him by the Board. The Executive shall devote
                  substantially all of his business time and attention to the
                  business and affairs of the Company, render such services to
                  the best of his ability, and use his best efforts to promote
                  the interests of the Company."

2. Paragraph 3.1 of the Agreement is hereby amended to read as follows:

                  "3.1 BASE SALARY. The Executive shall receive a base salary at
                  the annual rate of Two Hundred Fifty Thousand Dollars
                  ($250,000) (the "Base Salary") during the Term of this
                  Agreement, with such Base Salary payable in installments
                  consistent with the Company's normal payroll schedule, subject
                  to applicable withholding and other taxes."

3. Paragraph 3.2 of the Agreement is hereby amended to read as follows:

                  "3.2. BONUS. For each fiscal year of the Executive employment
                  commencing with the fiscal year commencing July 1, 1999, the
                  Executive shall receive a bonus (the "Bonus") equal to seven
                  (7.0%) percent of the Company's EBITDA in excess of $3 million
                  for said fiscal year as determined by the Company's regular
                  auditors, which amount shall be payable as soon as practicable
                  following such determination; provided, that if this Agreement
                  is terminated earlier as set forth herein, then the Executive
                  shall be entitled to receive the amount of the Bonus which has
                  not been theretofore paid at the time of such termination. The
                  Executive shall also be eligible to receive a bonus in an
                  amount determined by the majority vote of all members of the
                  Company's Board of Directors, based upon the Company's
                  operating results, financial condition, prospects and intended
                  utilization of earnings, if any."

4. Paragraph 4.4 of the Agreement is hereby amended to read as follows:

                  "4.4 AUTOMOBILE LIVING ALLOWANCE. The Executive shall be
                  entitled to an automobile allowance of $750 per month.


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         IN WITNESS WHEREOF, the undersigned have executed this Agreement as of
the date first above written.
                                      CONTINUCARE CORPORATION


                                      By:   /s/ CHARLES M. FERNANDEZ
                                         ---------------------------------------
                                            Charles M. Fernandez, President


                                      By:   /s/ SPENCER J. ANGEL
                                         ---------------------------------------
                                            Spencer J. Angel