in I'm Dickens, He's Fenster, as Myron Bannister, Dickens & Fenster's boss; as well as appearances on The Cara Williams Show, I Dream of Jeannie, Gidget, Bonanza, Petticoat Junction - (1967 episode: "That Was the Night That Was" & 1969 episode: "The Organ Fund" - as Reverend Barton), Mickey starring Mickey Rooney, The Brady Bunch, Get Smart (at least 2 appearances as Professor Carleton) and The Jeffersons. De Vol had also comic roles as Chief Eaglewood, the head of the Thundercloud Boys' Camp in 1961's The Parent Trap, and as the onscreen narrator in Jerry Lewis's 1967 comedy film The Big Mouth. De Vol also appeared as a bandleader in the last season of My Three Sons, in addition to writing the theme music and serving as in-house composer for most of the show's twelve seasons. He also scored most episodes of Family Affair, including many of the same incidental music cues as My Three Sons. In 1980, he appeared in the second season of Diff'rent Strokes, episode 22 called, "The Slumber Party". De Vol preferred to be credited as "Frank De Vol" for his acting appearances, and as "De Vol" for his musical work. Personal life and death De Vol was initiated as an honorary member of the Gamma Omega chapter of Phi Mu Alpha Sinfonia, the national fraternity for men in music, in 1962. In the mid 1990s, when well into his eighties, De Vol was active in the Big Band Academy of America. De Vol was married twice. His first marriage was to Grayce Agnes McGinty in 1935. This 54-year marriage produced two daughters, Linda Morehouse and Donna Copeland, and ended with Grayce's death in 1989. His second marriage was to television actress and big band singer Helen O'Connell from 1991 until her death in 1993. De Vol died of congestive heart failure on October 27, 1999, in Lafayette, California. He is interred at the Forest Lawn Memorial Park Cemetery in Hollywood Hills. Filmography Composer World for Ransom (1954) Kiss Me Deadly (1955) The Big Knife (1955) Attack (1956) The Ride Back (1957) Johnny Trouble (1957) Pillow Talk (1959) Murder, Inc. (1960) Lover Come Back (1961) Boys' Night Out (1962) What Ever Happened to Baby Jane? (1962) The Thrill of It All (1963) For Love or Money (1963) Under the Yum Yum Tree (1963) McLintock! (1963) The Wheeler Dealers (1963) Good Neighbor Sam (1964) Send Me No