IMAX CORPORATION
                                  Exhibit 32.1

                                 CERTIFICATIONS
            PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
(SUBSECTIONS (A) AND (B) OF SECTION 1350, CHAPTER 63 OF TITLE 18, UNITED
                                  STATES CODE)

      Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a)
and (b) of section 1350, chapter 63 of title 18, United States Code), I, Bradley
J. Wechsler, Co-Chief Executive Officer of IMAX Corporation, a Canadian
corporation (the "Company"), hereby certify, to my knowledge, that:

      The Annual Report on Form 10-K for the fiscal year ended December 31, 2005
(the "Form 10-K") of the Company fully complies with the requirements of section
13(a) or 15(d) of the Securities Exchange Act of 1934 and information contained
in the Form 10-K fairly presents, in all material respects, the financial
condition and results of operations of the Company.

Dated: March 9, 2006           /s/ "Bradley J. Wechsler"
                               --------------------------------------------
                               Bradley J. Wechsler
                               Co-Chief Executive Officer