| Original Novel, The Little Sister: | Raymond Chandler |
| Game Designer and Writer: | Barbara Lanza |
| Producer: | Jeremy Ross |
| Associate Producer: | Brian Flumen |
| Programming: | Callisto Corporation |
| 3D Backgrounds And Animation | |
| Production Designer & Animator: | Marja Davis |
| Supervising Art Producer: | Chris McGwinn |
| Executive Art Producer: | Floyd Christofferson |
| Reference Photographer: | Michael Wees |
| Character Animations: | Hypnotix, Inc. |
| Lead Artist: | Michael Cayado |
| Artists: | John Amos |
| Robert Santiago |
| Jason Shenkman |
| Chris Davies |
| Producer: | Mike Taramykin |
| Additional 2d Artwork | |
| Art Director: | Laura Rodil |
| Character Designer: | Michael Lark |
| Artists: | Shigeru McPherson |
| Thea Kearney |
| Sound Designer: | Chris Burke |
| Additional Sound: | David Bartel |
| Music Producer: | Arthur Payson |
| Music Composer & Arranger: | David Garfield |
| Musicians | |
| Drums: | John Porcaro |
| Bass: | Dave Carpenter |
| Piano: | David Garfield |
| Vibes: | Larry Bunker |
| Trumpet: | Walt Fowler |
| Tenor Sax: | Larry Klimas |
| Cast | |
| Philip Marlowe: | Stephen D'Ambrose |
| George Hicks, Dr. Lagardie: | Michael Boyle |
| Sheridan Ballou, DA Endicott, Lt. Maglashan: | Charles Brin |
| Charles Steelgrave, Lester Clausen: | Jeff Gadbois |
| The Foreman, Lloyd Farrell, Dominic Donofrio: | Ben James |
| Johnny Clamato, Alfred Scum: | Dean Johnson |
| Mavis Weld, Cigarette Girl: | Barbara Kingsley |
| Detective Beifus, Joseph Toad: | John Patrick Martin |
| Detective French: | Ron Rogosheske |
| Photo Shop Clerk: | Gregory Stevens |
| Orfamay Quest: | Elizabeth Teefy |
| Dolores Gonzales: | Sally Wingert |
| Director Of Recording Sessions: | Dick Stevens |
| Engineers: | Bruce Kennedy |
| Scott Bartel |
| Greg Stevens |
| Additional Voices: | Chris Burke |
| Brian Flumen |
| Jonathan Mayo |
| Vintage Radio Broadcast Music Courtesy Of: | Digital Excellence, Inc. |
| Lead Testers: | Alan Wong |
| Mark Gibbons |
| Jennifer Allen |
| Testers: | Larry Smith |
| Todd Meister |
| Josh Broughton |
| Gina Caroddo |
| Aaron Stewart |
| Douglas Nelson |
| Eric Fraad |
| Paul Abraham |
| Special Thanks: | John Antinori |
| Walter Freitag |
| Alex Gadd |
| Marcos Mendell |
| Dean Motter |
| Rob Womack |
| Don Wozniak |
| Howard Zimmerman |
| Human Machine Interfaces, Inc. |
| RAD Software |
| Byron Preiss Multimedia | |
| President: | Byron Preiss |
| Chief Financial Officer: | James R. Dellomo |
| Technical Director: | John Mayo-Smith |
| Creative Director: | Bill Wentworth |
| Marketing Director: | Jackie Snyder |
| Director of Brooklyn Multimedia: | Jeremy Ross |
| Simon & Schuster Interactive | |
| President: | Peter Yunich |
| Vice President & Creative Director: | Jeff Siegal |
| Creative Director: | Elisa Zachary |
| Senior Producer: | Mark Safire |
| Associate Producer: | Nicki Badalamenti |
