This is not a complete list (95 yr young Art Linkletter is a glaring ommission) but this excerpt from
this article gives an idea of what notable 85+ year old from the entertainment world are still with us.
"97: Gloria Stuart
96: Karl Malden
94: Rise Stevens, Frances Reid, Tony Martin, Kevin McCarthy, Budd Schulberg; "Professor" Irwin Corey; Norman Lloyd, Harry Morgan.
92: Les Paul, Eli Wallach, Barbara Billingsley.
91: Van Johnson, "Baby" June Havoc, Olivia de Havilland, Kirk Douglas, Ernest Borgnine, Phyllis Diller, and Zsa Zsa Gabor
90: Joan Fontaine, Lena Horne, George Gaynes, Mel Ferrer, John
Forsythe, Allan Arbus, Patty Andrews, Jo Stafford
89: Helen Wagner, Larry Haines, Marjorie Lord, Efrem Zimbalist Jr., Betty Garrett, Louis Jourdan, Al Molinaro, producer Dino DeLaurentiis, and dashing Gene Barry,
88: Alan Young, James Mitchell, Sid Melton,
87: Mickey Rooney, Maureen O'Hara, Nanette Fabray, Jayne Meadows, Rose Marie, Ricardo Montalban, Abe Vigoda, Carol Channing, Noel Neill, Irene Dailey, Hugh Downs.
86: Barbara Hale, Jane Russell, Esther Williams, Monty Hall, Cyd Charisse, James Whitmore, Phyllis Thaxter, Deana Durbin, Betty White, Dick Martin, Kathryn Grayson, Steven Hill, Carl Reiner, Gale Storm, Patrick MacNee.
85: Jack Klugman, Bea Arthur, Bill Macy, Blake Edwards, Norman Lear, Sid Caesar, William Schallert, Jackie Cooper, Carl Ballantine, Jean Stapleton, Fyvush Finkel, Ed McMahon, and Liz Smith."