Reuters has more on the split between Tom and his publicist Pat Kingsley.

The split, which happened on Thursday, had been in the works for some time, said Kingsley, a partner at PMK/HBH, who has handled his affairs since 1990.
Cruise will now be represented by his sister, Lee Anne DeVette, who works at his Paramount Pictures-based production company, Cruise/Wagner.
“It was something that was developing for a period of time,” Kingsley said. “And I think he wants to pull things internal (to his company). It was a very friendly, nice chat, with no hard feelings. I have the greatest respect for him in all areas.”
DeVette has been with her brother at C/W for 14 years. She first started at “the bottom rung of the company” and worked her way up, she said. Most recently, she has worked as an in-house publicist for Cruise, working closely with Kingsley on personal publicity activities as well as with the studios on campaigns for Cruise’s projects.
With a new movie in the can — DreamWorks’ fall release “Collateral”, from director Michael Mann — and “Mission: Impossible 3” upcoming, it is likely that Cruise may take on another outside representative.
“Will we potentially be looking for someone on films? Yes, we will, but no decision has been made,” DeVette said. “But Tom is very close with Pat, and they have a very, very good friendship.”