| The Parenthood series - as a guest appearance (1985) |
| Santa Barbara - as Mason Capwell (1988) |
| The New Lassie- as a guest appearance for two episodes |
| The Outsiders - as a guest appearance (1991) |
| Mickey's Safety Club- (educational program) |
| How To Deal With A Parent Who Takes Drugs (educational) |
| Roseanne - as a guest appearance (blink & you'll miss him!) |
| ABC's "Growing Pains" - as Luke the homeless boy (1991) |
| various television commercials |
MOVIE APPEARANCES
The Beach - still in production
Woody Allen's "Celebrity" (1998)
"The Man In The Iron Mask" (1998) "Don's Plum" (1998- not released lawsuit pending) "TITANIC" as Jack Dawson "Marvin's Room" (1996) "Romeo + Juliet" as Romeo Montague (1996)
"Total Eclipse" (1995) "The Basketball Diaries" ( 1995) "The Quick and The Dead (1995) "The Foot Shooting Party" (1994)
"What's Eating Gilbert Grape" as Arnie "This Boy's Life" as Tobias Wolff (1993) "Poison Ivy" (1992) "Critters III" (1991) Special Notes
* Leo's performance as Arnie Grape in the 1993 movie "What's Eating Gilbert Grape" earned the young actor a Golden Globe and an Academy Award nomination. *Leo's other movie, TITANIC won an astonishing amount of Academy Awards, among the most notable were Best Director (James Cameron) and Best Picture. Leo was not present at this Oscar ceremony preferring to stay away.