Manning died on 31 August (09) at his home in Rancho Palos Verdes, California.
The star made his Broadway debut in the 1941 hit comedy Junior Miss, before opening in Broadway's Harriet in 1943 and later taking on roles as Roderigo in Othello and as Tweedledee in Eva Le Gallienne’s adaptation of Alice in Wonderland.
Manning also appeared in the original Broadway cast of the 1965 musical Do I Hear a Waltz? by Richard Rodgers, Stephen Sondheim and Arthur Laurents.
He enjoyed small screen success performing in a critically acclaimed TV adaptation of Hamlet and with a starring role in The Paper Chase.
He also racked up a number of guest appearances on TV programmes Studio One, The Mary Tyler Moore Show, Here’s Lucy, Kojak and The Waltons, among others.
His film credits include Walk East on Beacon, Where’s Poppa?, The Owl and the Pussycat, The Great Northfield Minnesota Raid and The Great Waldo Pepper.
Manning went on to teach acting at his own studios in New York and Los Angeles.
He is survived by his wife, Frances Ann Smith, a son, two daughters, three grandchildren and a great-grandchild.