- HD 1080
- Runtime: 96m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Billy Wilder
- Stars: Jack Lemmon, Walter Matthau, Paula Prentiss, Klaus Kinski, Dana Elcar
- keywords: hotel, island, hitman, suicide attempt
- Production_studio: Metro-Goldwyn-Mayer, Bernheim/Weston Productions
- Slogan: The greatest movie buddies of all time are back!
- The Buddy Buddy is featured in the top rankings of 1981
- #46 in Top Comedy Movies of 1981
- #22 in Top Crime Movies of 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.