'' That Cold Day in the Park '' is a 1969 suspense film directed by Robert Altman and starring Sandy Dennis . Based on the novel of the same name by Peter Miles and adapted for the screen by Gillian Freeman , it was filmed on location in Vancouver , British Columbia , where the events occur . The supporting cast includes Michael Burns , Luana Anders , John Garfield , Jr. , and Michael Murphy . The picture was screened at the 1969 Cannes Film Festival outside of the main competition
1969 Cannes Film Festival
1969 Cannes Film Festival
That Cold Day in the Park