David Foster

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Kristin Chenoweth

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Todd Almond

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Kelly Devine

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Jaymes Foster

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Eleanor Foster

Self (archive footage)

Bill Clinton

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Barbra Streisand

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Quincy Jones

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Lionel Richie

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Diane Warren

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Tommy Mottola

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Carole Bayer Sager

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Paul Anka

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Céline Dion

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John J.R. Robinson

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Robert Lamm

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James Pankow

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Lee Loughnane

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Peter Cetera

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Jordan Foster

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Erin Foster

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Amy Foster

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Sara Foster

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Clive Davis

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Ben Vereen

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Katherine Tempesta

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Brian Mulroney

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Michael Bublé

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Mila Mulroney

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AnnMarie Milazzo

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Andrea Bocelli

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Josh Groban

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Katharine McPhee

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Marc Johnston

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Jeffrey Latimer

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Michael Ravenhill

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