Lillian sits at a desk and begins to write a suicide note on a pad of paper. After she rises from the desk to walk to the window, the pad of paper, as well as the pen, is nowhere in sight.
When Susan is giving her "I'm a drunk" speech in the bar (at around 1h 16 mins), the woman she has accosted suddenly turns into a man in a dark suit.
At the end of the film, as Lillian walks down the aisle of the TV studio, she passes about 13 rows in a medium shot. In the next close-up shot, she is much further back in the aisle, still walking as her name is announced.
When Lillian finishes singing "Red, Red Robin," she's standing next to the curtain. But when we cut to a wider angle, she's now five or six feet away.
At the AA meeting, speakers give their full names. This is inconsistent with the anonymous nature of AA.
The play "Lightnin'" on a theatre marquee is shown with the apostrophe before instead of after the last letter.
Although most of the film takes place in the 1920s and 1930s, the clothes, hairstyles, choreography, and musical arrangements are strictly in the much different style of the mid-1950s.
When Lillian goes for her audition as a child at the beginning of the film, it is c.1917, but the automobiles on the street are from the late 1930s or later. Also, the Hotel Edison across the street from the Fulton Theater wasn't built until 1931.
After Lillian loses out on an audition at age 8, her mother speaks to her on the street in front of a Dad's Root Beer sign. This takes place in 1918. Dad's Root Beer didn't exist until 1937.
When Lillian is out on the street with the other kids at the beginning of the film, it is supposedly c.1917. There is an advertisement for 7-UP, a soda-pop brand not introduced until 1936.