| Person | Type | Job | Role(s) |
|---|---|---|---|
 Arthur Ibbetson | Crew | Camera | Director of Photography |
Brian Garfield | Crew | Writing | Screenplay, Novel, Associate Producer |
 Bryan Forbes | Crew | Writing | Screenplay |
Carl Kress | Crew | Editing | Editor |
Carol A. O'Connell | Crew | Costume & Make-Up | Hairstylist |
Charles C. Bennett | Crew | Art | Set Decoration |
Eric Allwright | Crew | Costume & Make-Up | Makeup Artist |
Ian Fraser | Crew | Sound | Original Music Composer |
Otto Plaschkes | Crew | Production | Executive Producer |
 Ronald Neame | Crew | Directing | Director |
William J. Creber | Crew | Art | Production Design |
Ely A. Landau | Crew | Production | Producer |
Penny Steyne | Crew | Costume & Make-Up | Makeup Artist |
Edie Landau | Crew | Production | Producer |
James Lee McCoy | Crew | Costume & Make-Up | Makeup Artist |
Mike Jones | Crew | Costume & Make-Up | Hairstylist |
Jonathan Bernstein | Crew | Production | Associate Producer |
 Allan Cuthbertson | Cast | Actor | Chartermain |
 Anne Haney | Cast | Actress | Mrs. Myerson |
 Antony Carrick | Cast | Actor | Salesman in Electric Shop |
Douglas Dirkson | Cast | Actor | Follett |
 George Baker | Cast | Actor | Westlake |
 George Pravda | Cast | Actor | Saint Breheret |
 Glenda Jackson | Cast | Actress | Isobel |
 Herbert Lom | Cast | Actor | Yaskov |
 Ivor Roberts | Cast | Actor | Ludlum |
 Jacquelyn Hyde | Cast | Actress | Realtor |
 Jeremy Young | Cast | Actor | Immigration Officer |
Joanna McCallum | Cast | Actress | Bookshop Cashier |
 Joe Dorsey | Cast | Actor | Security Guard |
 Larry Larson | Cast | FBI Technician | |
 Laura Whyte | Cast | Actress | Myerson's Secretary |
 Lucy Saroyan | Cast | Actress | Carla |
 Michael Cronin | Cast | Actor | Policeman #2 |
 Mike Gwilym | Cast | Actor | Alfie |
 Ned Beatty | Cast | Actor | Myerson |
Osman Ragheb | Cast | Actor | CIA Telephone Technician |
 Philip Voss | Cast | Actor | Helicopter Pilot |
Ray Charleson | Cast | Actor | Clausen |
 Roy Sampson | Cast | Actor | Police Sergeant |
 Sally Nesbitt | Cast | Actress | Telephone Operator |
 Sam Waterston | Cast | Actor | Jack Cutter |
 Severn Darden | Cast | Actor | Maddox |
Susan Engel | Cast | Actress | Westlake's Receptionist |
 Terry Beaver | Cast | Actor | Tobin |
 Walter Matthau | Cast | Actor | Miles Kendig |
 Yolanda King | Cast | Actress | Coffee Shop Manager |
Christopher Driscoll | Cast | Actor | Policeman #1 |
 David Matthau | Cast | Actor | Ross |
 Richard Moore | Cast | Actor | Seaplane Pilot |
Randy Patrick | Cast | Mechanic | |
Roland Fröhlich | Cast | Border Guard | |
Danny Covington | Cast | Bellman | |
Shan Wilson | Cast | Spy in Oktoberfest | |
Candice Howard | Cast | Maddox's Receptionist | |
Debra Hook | Cast | Singer | |
Seab Worthy | Cast | FBI Man | |
Susan McShayne | Cast | Cocktail Waitress | |
| Person | Type | Job | Role(s) |
