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Louis Sachar as Mr. Collingwood

Mr. Collingwood was a resident of Green Lake in 1883. He was balding, and Sam said to Mrs. Collingwood that some of his onion tonic would help him sprout a mane of hair like Mary Lou's, ''Just rub this on his head every night Ms. Collingwood and before you know it, his hair's gonna be as long and as thick as Mary Lou's mane.''

Mr. Collingwood was portrayed in the film by Louis Sachar.