The Aegon Championships at Queen's Club in London will feature eight of the world's top 13 players.
British number one Andy Murray will join Rafael Nadal, Milos Raonic, Stan Wawrinka, Marin Cilic, Grigor Dimitrov, Feliciano Lopez and Gilles Simon.
American number one John Isner and 20-year-old Australian Nick Kyrgios will also compete in the grass court event, which takes place from 15-21 June.
Four-time winner Lleyton Hewitt will make his 16th and final appearance.
Wildcard entry Hewitt, 34, who is due to retire after next year's Australian Open, is one of three Wimbledon champions in the draw.