Wanted: Dead or Alive

1958 · Writer

Cimarron Strip

1967 · Writer

Equal Justice

1990 · Writer

Emperor of the North

1973 · Writer

20 Million Miles to Earth

1957 · Writer

Peter and Paul

1981 · Writer

The Choirboys

1977 · Writer

Posse

1975 · Writer

Hell Bent for Leather

1960 · Writer

The King's Thief

1955 · Writer

Scott Joplin

1977 · Writer

A Cold Night's Death

1973 · Writer

The Tall Stranger

1957 · Writer

Pope John Paul II

1984 · Writer

Escape from Bogen County

1977 · Writer

The Girl Who Spelled Freedom

1986 · Writer

Joy Ride

1958 · Writer

Prison for Children

1987 · Writer

Not My Kid

1985 · Writer

Pencils Down! The 100 Days of the Writers Guild Strike

2014 · Acting

Mrs. Sundance

1974 · Writer

Baby Girl Scott

1987 · Writer

The Bravos

1972 · Writer

The Hunted

1967 · Writer