A temperamental director multiple times completely changes the concept during a movie's production.

Fritz Feld
Mr. Nitvitch

Charley Foy
Sammy

Kathryn Kane
Marian Starr

Larry Williams
Don Ackerman

Tom Kennedy
Gorilla Stand-In Max Imhof

Frederic Tozere
Carl Sears

John Harron
Sears' Assistant (uncredited)
Maggie Hathaway
Marian Starr's Maid (uncredited)

John Ridgely
Sears' Assistant (uncredited)

Ralph Sanford
Tony (uncredited)

Leo White
Make-Up Man (uncredited)
Lottie Williams
Miss Starr's Secretary (uncredited)

A Fish Called Wanda
A Fish Called Wanda

Our Hospitality
Our Hospitality

The Philadelphia Story
The Philadelphia Story

Patients
Patients

Almost Famous
Almost Famous

Hook
Hook

Who Framed Roger Rabbit
Who Framed Roger Rabbit

Toy Story
Toy Story

Dentist in the Chair
Dentist in the Chair

Ismail Yassine in the House of Ghosts
Ismail Yassine in the House of Ghosts

Skinner's Dress Suit
Skinner's Dress Suit

The Ladykillers
The Ladykillers