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

Antoinette Bower

Member of Ely's Group (uncredited)

Walter Brooke

Party Guest (uncredited)

Marta Kristen

Party Guest (uncredited)

Frank Campanella

Detective (uncredited)

Cosmo Sardo

Party Guest (uncredited)

Harry Carter

Pallbearer (uncredited)

Terrence Scammell

Richard

Paul Wendkos

Director

Ben Maddow

Writer

Jakob Gimpel

Musician

William W. Spencer

Director of Photography

Arthur Fellows

Associate Producer

Richard K. Brockway

Editor

Fred Mustard Stewart

Novel

Quinn Martin

Producer

Jerry Goldsmith

Original Music Composer

Pat Abbott

Hairstylist

Moss Mabry

Costume Design

Raphael Bretton

Set Decoration

John A. Bonner

Sound Supervisor

Daniel C. Striepeke

Makeup Supervisor

Walter M. Scott

Set Decoration

Phill Norman

Title Designer

Gene Evans

Camera Operator

William Eckhardt

Unit Production Manager

David Hall

Assistant Director

Sidney H. Greenwood

Property Master

Don J. Bassman

Sound Mixer

Richard Y. Haman

Art Direction

Arthur Morton

Orchestrator

Don J. Bassman

Sound Re-Recording Mixer

Joe DiBella

Makeup Artist

Charlie Picerni

Stunts

George Hurrell Sr.

Still Photographer