The Enemy Within (1994)

Starring:

• Forest Whitaker
• Jason Robards
• Sam Waterston

IMDB.com
Colonel Casey discovers what appears to be plans by General Lloyd to use fake military excercises to assist Jack Giddings in his plans to remove President Foster from office. Colonel Casey, and President Foster must find evidence that there is a coup planned and stop it, before it takes place. Unfortunately, there isn't much time.