"A classical art professor and collector, who doubles as a professional assassin, is coerced out of retirement to avenge the murder of an old friend."
Clint Eastwood
as Jonathan Hemlock
George Kennedy
as Ben Bowman
Vonetta McGee
as Jemima Brown
Jack Cassidy
as Miles Mellough
Heidi Brühl
as Mrs. Montaigne
Thayer David
as Dragon
Reiner Schöne
as Freytag
Michael Grimm
as Meyer
Jean-Pierre Bernard
as Montaigne
Brenda Venus
as George
Gregory Walcott
as Pope
Candice Rialson
as Art Student
Elaine Shore
as Miss Cerberus
Dan Howard
as Dewayne
Jack Kosslyn
as Reporter
Walter Kraus
as Kruger
Frank Redman
as Wormwood
Siegfried Wallach
as Hotel Manager
Susan Morgan Cooper
as Buns
Jack Frey
as Cab Driver
Director
Trevanian
Novel
Hal Dresner
Screenplay
Warren Murphy
Robert Daley
Producer
John Williams
Original Music Composer
Frank Stanley
Director of Photography
Ferris Webster
Editor
George C. Webb
Art Direction
James R. Alexander
Sound
Fred R. Simpson
Unit Production Manager
John Dwyer
Set Decoration
Aurelio Crugnola
James Fargo
First Assistant Director
Craig Huston
Second Assistant Director
Victor Tourjansky
Dialogue Coach
Joe McKinney
Makeup Artist
Janice Clark
Hairstylist
Agnese Panarotto
Carol Rydall
Production Secretary
Tom Moore
Script Supervisor
William N. Clark
Camera Operator
Assistant Camera
Bruce Catlin
Bud Howell
Key Grip
Ben McMahan
Special Effects
Buddy Bowles
Gaffer
Tim Ryan
Grip
Jim Porter
Best Boy Grip
Larry Bird
Property Master
Joe Chevalier
Charles Waldo
Wardrobe Designer
Glenn Wright
Costume Supervisor
Frank Balchus
Wardrobe Intern
Sheila Mason
Bona Nasalli-Rocca
Nefte Riccò
Seamstress
Art Rimdzius
Transportation Captain
Richard C. Meyer
Assistant Editor
Roberto Silvi
Don Christie
Still Photographer
Mario Pisani
Unit Manager
Laura Fattori
Wallace Worsley Jr.
David Brown
Executive Producer
Richard D. Zanuck
Robert L. Hoyt
Sound Recordist
Buddy Van Horn
Stunts