Day of the Assassin is a 1979 action film. A Spanish, Mexican and American co-production, it was filmed in Spain, directed by Brian Trenchard-Smith. It starred Chuck Connors, Susana Dosamantes, Glenn Ford, Richard Roundtree and Henry Silva.Trenchard-Smith says making the movie was one of his craziest directing experiences:All directors, at some point in their career trajectory, find themselves hanging on to a runaway train; despite best efforts, things turn to custard on a daily basis.