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Arthur Storch as "Psychiatrist"
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Barton Heyman as "Dr. Klein"
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Donna Mitchell as "Mary Jo Perrin"
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Ellen Burstyn as "Chris MacNeil"
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Gina Petrushka as "Willi"
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Jack MacGowran as "Burke Dennings"
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Jason Miller as "Father Karras"
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Kitty Winn as "Sharon"
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Lee J. Cobb as "Lt. Kinderman"
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Linda Blair as "Regan"
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Max von Sydow as "Father Merrin"
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Mercedes McCambridge as "Pazuzu (voice)"
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Robert Gerringer as "Senator at Party"
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Robert Symonds as "Dr. Taney"
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Ron Faber as "Chuck, Assistant Director/Demonic Voice"
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Roy Cooper as "Jesuit Dean"
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Rudolf Schündler as "Karl"
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Titos Vandis as "Karras' Uncle"
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Vasiliki Maliaros as "Karras' Mother"
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Wallace Rooney as "Bishop Michael"
