Sharon Stone was initially set to play the role of Harriet Michaels, but wanted to perform a dual role and also play Rose Michaels. The studio denied her request and she pulled out of the film altogether.
Stuart Mackenzie first appeared on a sketch on Saturday Night Live (1975), although this earlier incarnation of the character had the last name Rankin.
While Rose is hacking away at the roof, Charlie keeps removing the hand she's aiming for. After several chops, Rose chops into the roofline, just between Charlie's fingers. But there are no other chop marks to be seen along the eave.
When Harriet offers Charlie a "health shake" with strawberries, the glass initially has no (or very little) ice, only foam. Subsequently, the shake suddenly contains a lot of ice.
Stuart Mackenzie: I'm not kidding, that boy's head is like Sputnik; spherical but quite pointy at parts! Now that was offside, wasn't it? He'll be crying himself to sleep tonight, on his huge pillow.
No. The idea for So I Married an Axe Murderer came from producer Robert N. Fried, who hired writer Robbie Fox to write the script. Principal actor Mike Myers also contributed to the script.