| Deadly Companion | |
|---|---|
 The VHS artwork for Deadly Companion, falsely implying that John Candy is the film's star | |
| Directed by | George Bloomfield |
| Written by | Thomas Hedley Jr. Charles Dennis |
| Based on | The Three Roads by Ross Macdonald |
| Produced by | Jerome S. Simon David Main |
| Starring | Michael Sarrazin Susan Clark Anthony Perkins Howard Duff Kate Reid Al Waxman |
| Cinematography | René Verzier |
| Edited by | George Appleby |
| Music by | Paul Hoffert |
Production company | Quadrant Films |
| Distributed by | Quadrant Films |
Release date |
|
Running time | 96 minutes |
| Country | Canada |
| Language | English |
Deadly Companion (also known as Double Negative) is a 1980 Canadian thriller film based on the novel The Three Roads by Ross Macdonald.