•
The Cat (w. William Redlin), 1966 •
Flipper (TV series), episodes, 1966–1967 •
The High Chaparral (TV series), episodes, 1970 •
Red Sun [w. Dene Bart Petitclerc, William Roberts, Lawrence Roman], 1971 •
The Little Girl Who Lives Down the Lane, 1976 (from own novel) •
Bloodline, 1979 (from
Sidney Sheldon novel) •
Inchon (w.
Robin Moore), 1981 (from story by Moore and Paul Savage) •
Rockabye, 1986 (from own novel) •
Stillwatch (w. David E. Peckinpah), 1987 (from
Mary Higgins Clark novel) •
The Fulfilment of Mary Gray, 1989 (from
LaVyrle Spencer novel) •
Tennessee Nights, 1989 (from
Hans Werner Kettenbach novel) •
Lady Against the Odds [w. Bruce Murkoff], 1992 [from
Rex Stout novel, The Hand in the Glove]
Awards and nominations ==Adaptations==