The Odd Couple (play) him out after only a brief time together, though he quickly realizes that Felix has had a positive effect on him. The play and the film both spell Felix's name "Ungar", while the television series spells it "Unger". "The Odd Couple" premiered on Broadway at the Plymouth Theatre on March 10, 1965 and transferred to the Eugene O'Neill Theatre where it closed on July 2, 1967 after 964 performances and two previews. Directed by Mike Nichols, the cast starred Walter Matthau as Oscar Madison and Art Carney as Felix Ungar. The production gained Tony Awards for Walter Matthau, Best Actor
Oliver A. Unger and Actor awards collectively. The Landau-Unger Company also distributed the "Eleanor Roosevelt Story", which won the 1965 Academy Award for Best Documentary. Unger produced several films in Southern Africa with Harry Alan Towers in the 1960s. The Landau-Unger Company was sold to Commonwealth United Corporation in 1967, at which time Unger was named Vice Chairman of Commonwealth United Company. In 1969 he added the titles of Vice Chairman of Commonwealth United Corporation and Chief Executive Officer of Commonwealth’s Entertainment Division. Films financed, produced and distributed by Commonwealth United under Unger's tutelage include "The Madwoman of Chaillot", "The Magic Christian", "Julius