The Day of the Dolphin

George C. Scott

Jake Terrell

Trish Van Devere

Maggie Terrell

Paul Sorvino

Curtis Mahoney

Fritz Weaver

Harold DeMilo

John Dehner

Wallingford

Severn Darden

Schwinn

Elizabeth Wilson

Mrs. Rome

William Roerick

Dunhill

Jon Korkes

David

Edward Herrmann

Mike

Leslie Charleson

Maryanne

Victoria Racimo

Lana

John David Carson

Larry

Pat Zurica

First Mate

Willie Myers

Stone

Phyllis Davis

Receptionist

Julie Follansbee

Women's Club

Florence Stanley

Women's Club

Brooke Hayward

Women's Club

Pat Englund

Women's Club

Johann Benét

Boy in Park (uncredited)

Buck Henry

Man Standing Outside Women's Club (uncredited)

Robert Lydiard

Alpha (voice) (uncredited)

Erick Vinther

Patron (uncredited)