La Macchia Della Morte

Alan Alda

Myles Clarkson

Jacqueline Bisset

Paula Clarkson

Barbara Parkins

Roxanne Delancey

Bradford Dillman

Bill Delancey

William Windom

Dr. Roger West

Curd Jürgens

Duncan Mowbray

Kathleen Widdoes

Maggie West

Pamelyn Ferdin

Abby Clarkson

Curt Lowens

Gregory Morton

Conductor

Janee Michelle

Agency Chief's Girlfriend

Lilyan Chauvin

Woman Writer

Khigh Dhiegh

Zanc Theun

Alberto Morin

Bennett

Berry Kroeger

Raymont