EXHIBIT 23.4 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-4 of Comcast Corporation of our report dated March 25, 2002 relating to the combined financial statements of AT&T Broadband Group, which appears in the Current Report on Form 8-K/A of Comcast Corporation filed on December 16, 2002. We also consent to the reference to us under the heading "Experts" in such Registration Statement. /s/ PricewaterhouseCoopers LLP New York, New York January 28, 2003