Chas Mastin

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The Standard Deviants: The Candy-Coated World of Calculus, Part 2

Actor Restaurant Customer (uncredited)

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The Standard Deviants: The Many-Sided World of Geometry, Part 1

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The Standard Deviants: The Pumped-Up World of Pre-Algebra, Part 1

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Requiem for a Dream

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The Standard Deviants: The Gravity-Packed World of Physics, Parts 1&2

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The Standard Deviants: The Many-Sided World of Geometry, Part 2

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No-Brainers on Taxes

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The Standard Deviants: The Flaky Pastry World of French

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The Standard Deviants: The Supersonic World of Differential Equations

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The Standard Deviants: The Candy-Coated World of Calculus, Part 1

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The Standard Deviants: The Salsa-Riffic World of Spanish, Part 2

Actor Self

The Standard Deviants Video Course Review: The Unbelievable World of Physics

Actor Self / Wienerkraft / The Specialist

The Standard Deviants: The Adventurous World of College Algebra, Part 1

Writer

The Standard Deviants: The Dangerous World of Pre-Calculus, Part 1

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The Standard Deviants Video Course Review: The High-Stakes World of Statistics

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The Standard Deviants: The Creepy, Crawly World of Calculus

Actor

No Time

Writer

No Time

Actor Himself

The Standard Deviants: The Salsa-Riffic World of Spanish, Part 1

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The Standard Deviants: The Deep-Fried World of Organic Chemistry, Part 3

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The Standard Deviants: The Wrinkle-Free World of English Composition

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The Standard Deviants: The Deep-Fried World of Organic Chemistry, Part 2