 | Deceiver (1997) als Wayland’s Father |
 | There Is No 13 (1974) |
 | Es knallt & die Engel singen (1974) als Fairbanks |
 | Il plenilunio delle vergini (1973) als Karl Schiller/Franz Schiller |
 | La tumba de la isla maldita (1973) als Peter |
 | Little Mother (1973) als Riano |
| | Lo chiamavano Verità (1972) als Veritas |
 | Byleth - il demone dell'incesto (1972) als Duke Lionello Shandwell |
 | Monta in sella, figlio di...! (1972) als Dean Madison |
 | I leoni di Pietroburgo (1972) als Eldar |
 | Confessioni segrete di un convento di clausura (1972) als Domenico |
 | Questa libertà di avere... le ali bagnate (1971) als Pierre |
 | Posate le pistole ... reverendo (1971) als Slim |
 | La spada normanna (1971) als Ivanhoe |
 | L'arciere di fuoco (1971) als Allen |
 | Temptation (1969) als Guido Valeri |
 | ¿Quién grita venganza? (1968) als Johnny Dalton |
 | Lo sbarco di Anzio (1968) als Wally Richardson |
 | Tutto per tutto (1968) als Johnny Sweet/West |
 | Nude... si muore (1968) als Richard Barrett |
 | Un treno per Durango (1968) als Brown / Samuel Lee Barrett / Elias MacPherson |
 | Colpo doppio del camaleonte d'oro (1967) als Vittorio |
 | La morte non conta i dollari (1967) als Lawrence |
 | Requiescant (1967) als George Bellow Ferguson |
 | Johnny Yuma (1966) als Johnny Yuma |
 | Johnny Oro (1966) als Johnny Oro / Ringo |
 | Dio, come ti amo! (1966) als Luis |
 | Agente segreto 777 - Operazione Mistero (1965) als Dr. Bardin |
 | Il figlio di Cleopatra (1964) als El Kebir |
 | I cento cavalieri (1964) als Don Fernando Herrera y Menendez |
 | Sfida al re di Castiglia (1963) als Pietro I - Re di Castiglia |
 | I tre volti della paura (1963) als Vladimire d'Urfe (segment "The Wurdalak") |
 | Il giorno più corto (1963) als Ufficiale timido (uncredited) |
 | The Young Racers (1963) als Stephen Children |
 | The Longest Day (1962) als Pvt. Harris (uncredited) |
 | Peccati d'estate (1962) |
 | Beauty and the Beast (1962) als Eduardo |
 | House of Usher (1960) als Philip Winthrop |
 | This Rebel Breed (1960) als Frank Serano |
 | The Party Crashers (1958) als Twig Webster |
 | Life Begins At 17 (1958) als Russ Lippincott |
 | Young and Dangerous (1957) als Tommy Price |
 | Between Heaven and Hell (1956) als Pvt. Terry - Co. G |
 | Inside Detroit (1956) als Gregg Linden |
 | Fast Charlie Executive Producer |
 | Best Sellers Executive Producer |
 | Willy's Wonderland Executive Producer |
 | The Last Full Measure Producer |
 | The Hurricane Heist Producer |
 | And So It Goes Producer |
 | Lone Survivor Executive Producer |
 | 2 Guns Executive Producer |
 | Universal Soldier: Day of Reckoning Executive Producer |
 | Flypaper Producer |
 | The Ledge Producer |
 | Universal Soldier: Regeneration Executive Producer |
 | Beyond a Reasonable Doubt Producer |
 | It's Alive Executive Producer |
 | Captivity Producer |
 | The Upside of Anger Executive Producer |
 | Beyond the Sea Executive Producer |
 | The I Inside Producer |
 | Monster Producer |
 | 11:14 Executive Producer |
 | Extreme Ops Executive Producer |
 | The Musketeer Executive Producer |
 | The Body Executive Producer |
 | Love & Sex Executive Producer |
 | Grizzly Falls Executive Producer |
 | Eye of the Beholder Executive Producer |
 | Orgazmo Executive Producer |
 | Loved Executive Producer |
| | Deceiver Executive Producer |
 | The Blackout Executive Producer |
 | The Jungle Book Executive Producer |
 | Diary of a Hitman Executive Producer |
 | Inner Sanctum Executive Producer |
 | Beastmaster 2: Through the Portal of Time Executive Producer |
 | Vietnam Texas Executive Producer |
 | Dark Angel Executive Producer |
 | Wild Orchid Producer |
 | High Spirits Executive Producer |
 | Mac and Me Executive Producer |
 | Bat★21 Co-Producer |
 | The Lost Boys Co-Executive Producer |
 | Flight of the Navigator Executive Producer |
 | Short Circuit Executive Producer |
 | 8 Million Ways to Die Executive Producer |
 | Nine 1/2 Weeks Producer |
 | The Clan of the Cave Bear Executive Producer |
 | Die unendliche Geschichte Executive Producer |
 | The Choirboys Executive Producer |
 | The Arena Producer |
| | Il plenilunio delle vergini Writer |
| | Saint Clare Executive Producer |
| | That's Amore! Executive Producer |
 | Inversion Executive Producer |