Simplify the following text for a Grade 7 native English-speaking person.
Original: Jean Simmons ( January 31 , 1929 - January 22 , 2010 ) was an Anglo-American actress active in films , television and theater .
Simplified: Jean Merilyn Simmons , OBE ( January 31 , 1929 - January 22 , 2010 ) was an English actress .