Diane Sinclair (born April 6, 1921) was an actress and dancer for the stage, screen and television from the 1930s to the 1950s.

Early life

Sinclair was born Miriam Rosen, the only child of Max and Sylvia Rosen, on April 6, 1921. As a child, she appeared in several films, including

• Tomorrow's Children (1934) as Alice Mason
• The Fighting Code (1933) as Helen James
• Cradle Song (1933) as Christina
• Dangerous Crossroads (1933)
• Damaged Lives (1933) as Joan Bradley
• Rustlers' Roundup (1933) as Mary Brand
• The Washington Masquerade (1932) as Ruth Keane