Bill was born on August 30, 1928 in Des Moines, Iowa. Bill's father died when he was very young. He was raised by his mother, along with the help of his aunts and uncles. His young life held a change for him when he was eleven. He and his mother moved to Chicago.

  By the mid-60's, Bill was into acting. One of his first television roles was in the 60's sitcom, Bewitched. He played the role of Mr. Johnson in the first Christmas episode titled "A Vision of Sugar Plums." He also appeared in an episode of The Mike Douglas Show. The next year was a big year for Bill. He appeared in an episode of My Mother the Car, in which he played Phil Durkin in the episode "The De-fenders." The greatest happening for him that year was not that role, however. It was in 1965 that he earned the role of Captain Roger Healy in I Dream of Jeannie, this starring role would continue on for the next 5 years.

  In I Dream of Jeannie, Bill co-starred with Barbara Eden(Jeannie), Larry Hagman(Captain/Major Anthony Nelson), and Hayden Rorke(Dr. Bellows). Bill's character, Roger, was the bumbling pal of Anthony "Tony" Nelson, who loved girls, money, and often found himself speaking without thinking. As I Dream of Jeannie grew in popularity and moved up the rankings, Bill Daily earned himself a permenant seat in television history. In fact, it is his role as Captain/Major Roger Healy that he is best remembered for. However, on May 26, 1970, after 139 filmed episodes, I Dream of Jeannie came to end, along with Bill's role of Roger Healy.

  It wasn't long though, until Bill was back into the swing of things. Only two years after I Dream of Jeannie came to an end, Bill was back on television. On September 16, 1972 The Bob Newhart Show aired its first episode. It was on this sitcom that Bill played the role of Howard Borden, a divorced pilot who lives near-by Bob(played by Bob Newhart) and Emily Hartley(played by Suzanne Pleshette). Howard was an annoying neighbor with an even more annoying habit, he always came right into the Hartley's apartment without knocking. Bill's role as Howard Borden continued for the next 6 years, but on April 1, 1978 that role as Howard Borden also came to an end.

  In the 1980's, Bill took on starring roles, mostly as doctors of some form, in a couple of short-lived sitcoms. In Small and Frye, which aired for a little over 3 months, Bill played the role of Dr. Hanratty. In 1988, Bill appeared on television as Dr. James Shepard on the sitcom, Starting from Scratch. The show only lasted one year, however. Bill was also a recurring guest star on the popular, late 80's sitcoms, ALF. He played the role of Larry the Psychiatrist from 1987-1990.