On June 20 “Private Practice” star Kate Walsh, 45, sold her Los Feliz pad after three years on the market.

Comedian Bob Newhart just listed his Wallace Neff-designed home in Los Angeles for $15.5 million! What do you think of it?

Carlos Santana is clearly a fan of modern, tech-savvy homes. On May 28 the musician listed his Las Vegas home at 23 Skybird Ct for $3,499,900, and on June 3 he bought a similar home down the street for $6 million.

Doctor Arnold Klein, the dermatologist accused of contributing to Michael Jackson’s overdose, is now bankrupt thanks to the many lawsuits against him. His Los Angeles home just hit the market for $4.25 million as a bankruptcy sale.

A handful of celebrities decided to hop on the real estate train last week. Read on for more information on the homes bought and sold by Ellen and Portia, Tom Hanks, Jodi Foster, Jim Carrey, Billy Joel, and Rosie O’Donnell.