Question: What is the name of the American actor and comedian who featured in 'Who's Got the Action'  American comedy and is also best known for his role as Oscar Madison in ''The Odd Couple''?
Sentence (from "Walter Matthau"): Walter Matthau ( ; born Walter John Matthow; October 1, 1920 – July 1, 2000) was an American actor and comedian, best known for his role as Oscar Madison in "The Odd Couple" and its sequel 30 years later, "The Odd Couple II", and his frequent collaborations with "Odd Couple" co-star Jack Lemmon, particularly in the '90s with "Grumpy Old Men" and its sequel "Grumpier Old Men".
Relevant evidence: Yes