Penny Singleton was a prominent American actress and, notably, a labor leader whose career spanned over six decades in stage, screen, radio, and television. Outside of the Blondie series, she starred in films like "Go West, Young Lady" (1941), a Western musical where she was top-billed over Glenn Ford. Penny Singleton is famously credited with pioneering the concept of "residuals" —payments to actors for repeat broadcasts of their work—and ensured a residuals clause was written into her Blondie