LAS VEGAS—The Most Interesting Man in the World will try to give the most interesting command to start the engines at Las Vegas Motor Speedway.

Jonathan Goldsmith, known as "The Most Interesting Man in the World" in Dos Equis beer commercials that began airing in 2006, was named grand marshal for Sunday's race at Las Vegas.

The veteran stage, film and television actor portrays the debonair "Most Interesting Man in the World" now but began his acting career over 50 years ago. He has appeared in more than 25 feature films, including "Hang 'Em High," "Ice Station Zebra" and "The Shootist" with John Wayne.

He also has appeared in more than 45 television series, including recurring roles on "Gunsmoke," "Dynasty" and the original "Dallas."