Sally Hawkins plays Rita O'Grady, the lead character, who becomes an unexpected advocate for the female workers' fight for equal pay.
Bob Hoskins portrays Albert Passingham, a sympathetic union representative who encourages the female workers to demand equal pay.
Miranda Richardson takes on the role of Barbara Castle, the Secretary of State for Employment and Productivity who plays a crucial role in the dispute.
Geraldine James plays Connie, a seasoned factory worker and influential figure among the striking women.
Rosamund Pike is featured as Lisa Hopkins, the wife of a Ford executive, who sympathizes with the female workers' cause.
Andrea Riseborough portrays Brenda, a fellow machinist and one of Rita's spirited colleagues involved in the strike.
Daniel Mays takes on the role of Eddie O'Grady, Rita's husband, who is conflicted by his wife's growing involvement in the labor movement.
Jaime Winstone appears as Sandra, a young and lively machinist who stands with Rita and the others for equal pay.
Kenneth Cranham plays Monty Taylor, the manager of the Ford Dagenham plant, who is caught between corporate interests and the workers' demands.
Rupert Graves is cast as Peter Hopkins, Lisa's husband and a Ford executive who is involved in the negotiations with the strikers.
John Sessions stars as Harold Wilson, the Prime Minister of the United Kingdom during the time of the strikes.
Roger Lloyd Pack portrays George, a fellow employee at the Dagenham plant who is part of the evolving labor struggle.
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