EXHIBIT 21.1 Subsidiaries of OpenTV Corp. ---------------------------- As of December 31, 2003 A table of the direct and indirect subsidiaries of OpenTV Corp. is set forth below, indicating as to each the state or jurisdiction of organization and the names under which such subsidiaries do business. Subsidiaries not included in the table are inactive or, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary. Name of the Subsidiary Jurisdiction of Organization - --------------------------- ---------------------------- ACTV, Inc. United States (Delaware) ACTV Entertainment, Inc. United States (New York) Advision LLC United States (Delaware) BettingCorp. UK Ltd. United Kingdom Digital Adco United States (Delaware) HyperTV Networks United States (Delaware) Intellocity USA, Inc. United States (Delaware) Media Online Services United States (Delaware) OpenGaming (Israel) Ltd. Israel OpenPlay BVI Ltd. British Virgin Islands OpenTV AG Switzerland OpenTV Asia Pacific KK Japan OpenTV Australia Pty Ltd Australia (New South Wales) OpenTV Europe S.A.S. France OpenTV Holding NV Netherlands Antilles OpenTV Holdings BV The Netherlands OpenTV Iberia SL Spain OpenTV, Inc. United States (Delaware) OpenTV Interactive Software (Beijing) Co. Ltd. China OpenTV UK Limited United Kingdom OpenTV US Holdings, Inc. United States (Delaware) OpenTV US Investments, Inc. United States (Delaware) Spyglass, Inc. United States (Delaware) Spyglass Integration, Inc. United States (Delaware) Static 2358 France SARL France Static 2358 Holdings Limited United Kingdom Static 2358, Inc. United States (California) Static 2358 Limited United Kingdom Wink Communications, Inc. United States (Delaware) 4G Media Ltd. British Virgin Islands 4G Media Ltd. Turks and Caicos