“- Frank Wagstaff: There's nothing wrong between me and the college widow.
- Professor Quincy Adams Wagstaff: There isn't, huh? Then you're crazy to fool around with her!”
Zeppo Marx - Frank Wagstaff
Groucho Marx - Professor Quincy Adams Wagstaff

“- Grace Pasic: It was a nice three months together.
- Cesar Dominguez: Six. It was six months, honey.
- Grace Pasic: But only three were nice.”
Lolita Davidovich - Grace Pasic
Antonio Banderas - Cesar Dominguez

“- Betty Lou Perkins: Why is it so hard to believe that I might be exciting to other men? People have affairs. People have lovers. Why not me, Alex?
- Alex Perkins: 'Cause I never did. I never had anyone but you.
- Betty Lou Perkins: You had everyone but me. You had Frank, and the boys, and the force and the bars and the games.”
Penelope Ann Miller - Mrs. Elizabeth Louise 'Betty Lou' Perkins
Eric Thal - Detective Alex Perkins

“- Senator Jummy Simpson: I've seen that girl somewhere before.
- Liza Prescott: She's a very particular friend of the director who's making this picture. He sticks her in every scene he can.”

Walter Kingsford - Senator Jummy Simpson
Billie Burke - Liza Prescott

“- Walter Neff: Afraid, baby?
- Phyllis Dietrichson: Yes, I'm afraid. But not of Keyes. I'm afraid of us. We're not the same anymore. We did it so we could be together but instead of that, it's pulling us apart.”

Fred MacMurray - Walter Neff
Barbara Stanwyck - Phyllis Dietrichson