The In-Laws

The In-Laws (1979) is a classic screwball comedy pairing Peter Falk as a fast-talking, seemingly unhinged CIA operative with Alan Arkin as his hilariously anxious future in-law, a mild-mannered dentist pulled into a whirlwind of international intrigue just days before their children's wedding. The film's brilliance lies in the perfect chemistry between its two leads, blending tension and slapstick humor as their contrasting personalities clash across increasingly absurd and dangerous situations. Directed by Arthur Hiller, it remains one of the finest buddy comedies ever made, celebrated for its sharp writing and unforgettable performances.

• Peter Falk improvised many of his memorable comedic lines on set.
• Alan Arkin's nervous dentist role became his most beloved comedy performance.
• Director Arthur Hiller kept filming spontaneous between-takes moments from the leads.
• The film was shot largely on location in New York and Mexico.
• A cult classic, it inspired a weaker 2003 remake with Michael Douglas.

• Serpentine, Shelly! Serpentine!
• I am not a dentist right now. I am an international fugitive.
• Trust me. Have I given you any reason not to trust me?
• There are tsetse flies in this room the size of eagles!
• I work for the government. I could tell you more, but then I'd have to kill you.