In Victorian England, a fortune now depends on which of two brothers outlives the other—or can be made to have seemed to do so.
Is The Wrong Box on Netflix? Unfortunately the movie The Wrong Box is not yet available on Netflix.
| Directing | Bryan Forbes | Director |
| Writing | Lloyd Osbourne | Novel |
| Writing | Larry Gelbart | Writer |
| Writing | Burt Shevelove | Writer |
| Writing | Robert Louis Stevenson | Novel |
| Costume & Make-Up | Julie Harris | Costume Design |
| Production | John L. Hargreaves | Producer's Assistant |
| Camera | Ted Lockhart | Grip |
| Sound | Teddy Mason | Sound Editor |
| Camera | George Courtney Ward | Still Photographer |
| Sound | Gus Lloyd | Sound Assistant |
| Art | Robert Ellis | Title Designer |
| Art | Peter James | Set Dresser |
| Art | George Ball | Props |
| Art | Alfred Waye | Props |
| Sound | John Barry | Conductor |
| Camera | Gerry Turpin | Director of Photography |
| Sound | John Barry | Music Arranger |
| Sound | John Barry | Original Music Composer |
| Production | Burt Shevelove | Co-Producer |
| Editing | Alan Osbiston | Editor |
| Crew | Gerry Turpin | Cinematography |
| Production | Jack Rix | Associate Producer |
| Production | Bryan Forbes | Producer |
| Production | Larry Gelbart | Co-Producer |
| Editing | Ray Thorne | Assistant Editor |
| Sound | Bill Daniels | Sound Recordist |
| Costume & Make-Up | Paul Rabiger | Makeup Artist |
| Production | Donald Toms | Production Manager |
| Camera | Michael Sarafian | Assistant Camera |
| Camera | Ronnie Taylor | Camera Operator |
| Art | George Hill | Construction Manager |
| Art | Ray Simm | Set Designer |
| Costume & Make-Up | Laurel Staffell | Wardrobe Master |
| Sound | Ken Barker | Sound Recordist |
| Costume & Make-Up | Basil Newall | Makeup Artist |
| Directing | Christopher Dryhurst | Assistant Director |
| Costume & Make-Up | Maude Onslow | Hairdresser |
| Costume & Make-Up | Roy Ponting | Wardrobe Master |
| Directing | Penny Daniels | Continuity |