Goliath's arms are shorter when he has to use his hands, the rest of the time there are arm extensions on the costume.
When Shaughnessy is standing in front of the gorilla's cage door and is knocked out the gorilla walks out of the cage normally without stepping over a body.
In several scenes, when Goliath is carrying Laverne over his shoulders, a dummy is clearly used.
The word 'maze' is misspelled as 'maize' at front of the mirror maze.
When practicing the new act, Kovacs lifts Laverne over his head. A cable is clearly visible around Laverne's waist to support her weight. The cable disappears when he puts her down.
When the camera cuts to Laverne swinging on the trapeze an obvious stunt woman is used with much thinner legs and off color on her wig.
When Joey and Audrey are talking at the concession, the roller coaster in the background can be seen operating, even though the amusement park is closed down.
When Kovacs is hoisting Laverne over his head to show Joey what to do, wires holding Laverne in the air can be seen.