Former child actress Sophie Nyweide dies at 24

(KTLA) – Former child actress Sophie Nyweide, who starred in films like "Mammoth" and "An Invisible Sign," has passed away. She was 24 years old.

Nyweide's cause of death was not clear Tuesday; her mother told TMZ that autopsy results are still pending.

In an online obituary, Nyweide was described as "creative, athletic and wise" person who was beloved by friends and family. Nyweide died April 14, according to the obit.

The tribute also added that the 24-year-old...