Betty Ross Clarke's most noteworthy silent film was the 1920 Fox Film If I Were King with William Farnum. This film is preserved at the Library of Congress. She was born in Langdon, North Dakota, USA and died in Los Angeles, California. in the early 1900s she was one of a number of starlets (50) who featured on cards given away by the Hignett cigarette company of England in their CHESS cigarette packets, she was number 29 in the set.
Source: Wikipedia