Terms of the deal were not disclosed.
Kidd-Gilchrist averaged a career-high 10.9 points and 7.6 rebounds in 28.9 minutes per game last season.
The deal, which has not been confirmed by the team, is for $5 million and contains a player option, according to the Cleveland Plain-Dealer.
The 35-year-old Prince totaled 7.5 points and 3.6 rebounds in 24 minutes per game for Memphis, Boston and Detroit a year ago.
He also shot 44 percent from the floor, but is far better known for his defense. Minnesota allowed a league-high 106.5 points per game last season.
Landry has bounced from one training camp tryout to the next without landing a roster spot. The brother of 76ers forward Carl Landry averaged 10 points and four rebounds in a top Spanish league last season.
"I don't think I'm ever going to see 100 percent (laughs). I've played too long to be 100 percent, but I'm getting pretty close. I've had a great summer here rehabbing with St. Vincent and think I'll be ready to go. I can't wait for the season to get going. I'm just trying to rehab and get back here for the start of camp. I'm excited to get back on the court and do what I love to do."
McRoberts was limited to 17 games last season for Miami.
“I’ll deal with that when that time comes,’’ Anthony said. “As I start pushing it and taking my rehab and workout to another level, I won’t know ahead of time where I’m at, what kind of legs I have underneath me.’’
Anthony was limited to 40 games for New York last season, averaging 24.2 points and 6.6 rebounds per game.
Prince has played 13 seasons in the NBA. He averaged 7.5 points and 3.6 rebounds in 58 games last season.
Antetokounmpo was a second-round draft pick by the Knicks in 2014.
Financial terms of the deal have not been disclosed.
Financial terms of the contract have not been disclosed.