Although versatile in musical comedy, he is perhaps best remembered for his portrayal of Willard Jarvis, Doris Martin's boss on "The Doris Day Show" (1968).
Billy took his stage name from the manager of the Quincy Massachusetts theater where he worked as an usher after school.
His parents wanted him to become a Baptist minister.
Interred in his family's plot marked William A. Jones AKA Billy De Wolfe at the Mt. Wollaston Cemetery, Quincy MA
Long-time friend of Doris Day.
Was cast in the role of foppish dress designer Madame Lucy in the revival of the musical Irene, opposite Debbie Reynolds, but had to withdraw during pre-Broadway tryouts when his health took a turn for the worse. Veteran character actor George S. Irving replaced him and went on to win a Tony Award for best featured actor in a musical in 1974, the year of De Wolfe's death.