In the 1940s and 1950s, Mack worked as a producer and director of radio programs including such series as Richard Diamond, Private Detective and The Saint.
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She also played an important role as Tanya in Merian C. Cooper's production of H. Rider Haggard's She (1935) opposite Randolph Scott, Nigel Bruce, and Helen Gahagan (who did the title role as She, who must be obeyed).
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She performed with Roland Young in The Idle Inn and toured America (1928–29) with William Hodge in Straight Through The Door.
Helen Mirren | Helen Keller | Helen | Mack Brown | Helen of Troy | Helen Hayes | Helen Clark | Helen Reddy | Helen Frankenthaler | Mack Sennett | Connie Mack | Helen Hunt | Helen Humes | Mack the Knife | Ted Mack | Helen Razer | Helen Fielding | Helen Allingham | Mack Trucks | Mack Rhoades | Mack 10 | Mack | Lonnie Mack | Helen Storrow | Helen Shaver | Helen Caldicott | Reinhold Mack | Mack Reynolds | Mack Harrell | Helen Sjöholm |
Beginning in 1991, Helen Mack Chang pursued prosecution in Guatemala of those suspected of the crime, which included several men trained at the US Army School of the Americas (later renamed the Western Hemisphere Institute for Security Cooperation).