Elijah Wood was 19 in The Lord of the Rings: The Fellowship of the Ring when he played the character 'Frodo'.
That was over 21 years ago in 2001.
Today he is 42, and has starred in 86 movies in total, 61 of those since The Lord of the Rings: The Fellowship of the Ring was released.
In The Lord of the Rings: The Fellowship of the Ring, I think Elijah Wood looks: