Adam-12

1968 · Writer

V

1984 · Writer

V: The Final Battle

1984 · Writer

Omen IV: The Awakening

1991 · Writer

Poltergeist III

1988 · Writer

Trucks

1997 · Writer

Wanted: Dead or Alive

1987 · Writer

Visiting Hours

1982 · Writer

The New Kids

1985 · Writer

The Mark of Zorro

1974 · Writer

Of Unknown Origin

1983 · Writer

Dangerous Passion

1990 · Writer

What Ever Happened to Baby Jane?

1991 · Writer

The Cover Girl Murders

1993 · Writer

Child of Darkness, Child of Light

1991 · Writer

Deadly Family Secrets

1995 · Writer

The Spell

1977 · Writer

Night Cries

1978 · Writer