Bud Cort

Brewster

Sally Kellerman

Louise

Michael Murphy

Shaft

William Windom

Weeks

Shelley Duvall

Suzanne

René Auberjonois

The Lecturer

Stacy Keach

Abraham Wright

John Schuck

Johnson

Margaret Hamilton

Daphne Heap

Jennifer Salt

Hope

Corey Fischer

Hines

G. Wood

Crandall

Bert Remsen

Douglas Breen

Marilyn Burns

Tour Guide (uncredited)

Harvey Keitel

The Photographer (uncredited)