Christopher Lloyd was 50 in DuckTales: The Movie - Treasure of the Lost Lamp when he played the character 'Merlock the Magician (voice)'.
That was over 34 years ago in 1990.
Today he is 85, and has starred in 166 movies in total, 122 of those since DuckTales: The Movie - Treasure of the Lost Lamp was released.
In DuckTales: The Movie - Treasure of the Lost Lamp, I think Christopher Lloyd looks: