Ruthie Joad The youngest Joad daughter. Ruthie is 12 years old and caught between childishness and adolescence.
Winfield Joad The youngest Joad family member. Winfield is 10 years old.
Muley Graves A Joad neighbor in Oklahoma. Muley has also been tractored off his land. He chooses to stay behind when his family leaves for California, an illustration of the effect of loss on those who have been driven from their land.
Ivy and Sarah (Sairy) Wilson Traveling companions of the Joads. A couple from Kansas, the Wilsons meet the Joads when their touring car breaks down. After Al and Tom fix their car, they travel with the family to the California border. The cooperation between the Wilsons and the Joads exemplifies the strength that is found in persons helping others.
Mr. and Mrs. Wainwright The Wainwrights share a boxcar with the Joads at the end of the novel. Like the Wilsons, their union with the Joads underscores the novel's theme of human unity.
Agnes Wainwright The Wainwright's 16-year-old daughter. She is engaged to Al Joad at the end of the novel.
Ezra Huston Chairman of the central committee in the government camp at Weedpatch.
Willie Eaton Texan in charge of the entertainment committee at the government camp. He and his committee members thwart a staged riot attempt by the Farmers Association.
