Buddy Buddy (1981)

During a high profile Mafia testimony case, a contract killer checks-in a hotel room near the courthouse while his next door depressed neighbor wants to commit suicide due to marital problems.

Directed by: Billy Wilder

Starring: Jack Lemmon, Walter Matthau, Paula Prentiss, Klaus Kinski, Dana Elcar, Miles Chapin

Links: Metro-Goldwyn-Mayer, IMDb, Movie posters, Movie stills