EXHIBIT 24 POWER OF ATTORNEY We, the undersigned officers and directors of Delcath Systems, Inc., a Delaware corporation (the "Company"), hereby severally constitute and appoint M. S. Koly and Paul M. Feinstein, and each of them singly, our true and lawful attorneys with full power to them, and each of them singly, and with full powers of substitution and resubstitution, to sign for us and in our names in the capacities indicated below, the Registration Statement on Form S-8 relating to the offer of shares of the Company's common stock, par value $0.01, pursuant to the Company's 1992 Incentive Stock Option Plan, its 1992 Non-Incentive Stock Option Plan, its 2000 Stock Option Plan, its 2001 Stock Option Plan and its 2004 Stock Incentive Plan, and any and all pre-effective and post-effective amendments to said Registration Statement, and generally to do all such things in our names and on our behalf in our capacities as officers and directors to enable the Company to comply with the provisions of the Securities Act of 1933, as amended, and all requirements of the Securities and Exchange Commission, hereby ratifying and confirming our signatures as they may be signed by our attorneys, or either of them, or their substitute or substitutes, to said Registration Statement and any and all amendments thereto. Signature Title Date --------- ----- ---- /s/ M. S. KOLY President and Chief Executive October 21, 2004 - ----------------------- Officer (Principal Executive M. S. Koly Officer) and Director /s/ PAUL M. FEINSTEIN Chief Financial Officer October 21, 2004 - ----------------------- (Principal Financial Paul M. Feinstein and Accounting Officer) /s/ SAMUEL HERSCHKOWITZ Chairman and Director October 21, 2004 - ----------------------- Samuel Herschkowitz, M.D. /s/ MARK A. CORIGLIANO Director October 21, 2004 - ----------------------- Mark A. Corigliano /s/ DANIEL ISDANER Director October 21, 2004 - ----------------------- Daniel Isdaner /s/ VICTOR NEVINS Director October 21, 2004 - ----------------------- Victor Nevins