Remembered best for her starring role as Sybil Hale in the 1937 feature film They Won't Forget, Dickson also appeared in Waterfront; This Thing Called Love; Mercy Island; and over twenty other films of the 1930s and '40s.
Born Thais Alalia Dickerson, she grew up in Pocatello, Idaho. After relocating to the Los Angeles area, she began her entertainment career by performing on a Long Beach, California radio station.
Tragically, she died at the age of twenty-seven in a house fire caused by a lit cigarette. She was laid to rest at the famous Hollywood Forever Cemetery in Los Angeles, California.
Between 1938 and 1944, she married and divorced both makeup artist Perc Westmore and director Ralph Murphy. Her third marriage, to William Fitzgerald, lasted from 1944 until her death in 1945.
She co-starred with Joan Blondell in the 1940 Paramount Pictures film I Want a Divorce.