(written from a Production point of view)
LeGault was a personal friend of Elvis Presley, and served as his stand-in and stunt double in four films, as well as playing smaller roles in them: Girls! Girls! Girls! (1962, with Laurel Goodwin, Dave Armstrong, and Frank Atienza), Viva Las Vegas (1964, with Terri Garr, Pete Kellett, William Meader, and Edwin Rochelle), Kissin' Cousins (1964, with Yvonne Craig, Teri Garr, and Carey Foster, directed by Gene Nelson), and Roustabout (1964, with Marianna Hill, K.L. Smith, Teri Garr, and Carey Foster). He also played trombone in Elvis' 1968 Comeback Special.
His other film roles include Colonel Glass in Stripes (1981, co-starring William Lucking and John Larroquette) and a supporting role in the thriller Blackout (1996, with Brad Dourif, Marta Dubois, Jeremy Roberts, Brad Greenquist, Tom Poster, Chip Heller, James MacDonald, and Azalea Davila). He made memorable guest appearances in the original 1978 Battlestar Galactica series, alongside John Colicos, Anthony De Longis, and John Hoyt, and one time directed by Winrich Kolbe. He also had recurring roles in Dynasty (starring Joan Collins), and Magnum P.I..