Cast & crew
Boom Town (1940)
Directed by Jack Conway Written by John Lee Mahin, James Edward Grant
Cast
| Clark Gable | McMasters |
| Spencer Tracy | Square |
| Claudette Colbert | Betsy |
| Hedy Lamarr | Karen |
| Frank Morgan | Luther Whitney |
| Marion Martin | Whitey |
| Minna Gombell | Eva |
| Joe Yule | Murphy |
| Lionel Atwill | Harry |
| Chill Wills | Harmony |
| Horace Murphy | Tom |
| Marietta Canty | Maid |
| Curt Bois | Ferdie |
| Richard Lane | 1946 D.A. |
| George Lessey | Bernard Judge |
| Sara Haden | Miss Catherine |
| Frank Orth | Barber |
| Charles Coleman | McMasters |
| Nell Craig | Mussburger's Secretary |
| Byron Foulger | Geologist |
| Harry Hayden | Architect Partier |
| Eddy Waller | Desk Sat. |
| Roy Gordon | McCreery |
| Frank McGlynn Sr. | Deacon Brodie |
| Francis X. Bushman Jr. | (uncredited) |
| Casey Johnson | Little Sue |
| Baby Quintanilla | Baby Bellhop |
| Bess Flowers | Office Worker |
| Barbara Bedford | Nurse |
| Hank Bell | Hank |
| Charles D. Brown | Stebbins |
| Dick Curtis | (uncredited) |
| James Conaty | McMasters |
| Helen Dickson | Summers |
| Franklyn Farnum | (uncredited) |
| Jimmy Dime | (uncredited) |
| Eddie Dunn | (uncredited) |
| Pat Flaherty | (uncredited) |
| Sam Garrett | Roper |
| John Hamilton | McMasters |
| George Guhl | (uncredited) |
| Frank Hagney | Whitey |
| William Halligan | (uncredited) |
| Tom Hanlon | Announcer |
| Harry Hayden | (uncredited) |
| Holmes Herbert | Doctor |
| Howard Hickman | (uncredited) |
| Earle Hodgins | (uncredited) |
| Shep Houghton | (uncredited) |
| Jack Ingram | oilman |
| Sheldon Jett | (uncredited) |
| Robert Emmett Keane | oilman |
| Mitchell Lewis | Foreman |
| Tom London | (uncredited) |
| Frank McLure | (uncredited) |
| Carlotta Monti | Whitey |
| Philip Morris | (uncredited) |
| John T. Murray | (uncredited) |
| Wedgwood Nowell | oilman |
| Ted Oliver | Bits |
| Nestor Paiva | (uncredited) |
| Milton Parsons | (uncredited) |
| Lee Phelps | (uncredited) |
| Henry Roquemore | Summers |
| Larry Steers | Lawyer |
| Bert Stevens | (uncredited) |
| William Tannen | (uncredited) |
| Eddy Waller | (uncredited) |
| Harry Wilson | (uncredited) |
| Tom Wilson | (uncredited) |
| Douglas Wood | York |
| Joe Yule | Ed Murphy |
| Richard Lane | Assistant D.A. |
| George Lessey | Judge |
| Charles Coleman | McMasters' Butler |
| Horace Murphy | Tom Murphy |
| Marietta Canty | Maid |
| Curt Bois | Ferdie the Tailor |
| Sara Haden | Miss Barnes |
| Frank Orth | Barber |
| Barbara Bedford | Nurse (uncredited) |
| Hank Bell | Hank - Man in Dance Hall (uncredited) |
| Francis X. Bushman Jr. | Man with Nitroglycerine (uncredited) |
| Charles Coleman | Parker - McMasters' Butler (uncredited) |
| James Conaty | Man Working in McMasters' Office (uncredited) |
| Dick Curtis | Hiring Boss (uncredited) |
| Helen Dickson | Mrs. Summers (uncredited) |
| Charles D. Brown | U.S. Marshal Stebbins (uncredited) |
| Marietta Canty | Karen's Maid (uncredited) |
| Tom Hanlon | Racetrack Announcer (voice) (uncredited) |
| Harry Hayden | Smith - the Architect (uncredited) |
| Shep Houghton | Saloon Brawler (uncredited) |
| Sheldon Jett | Oil Man at Meeting (uncredited) |
| Robert Emmett Keane | Oilman in New York (uncredited) |
| Holmes Herbert | Doctor (uncredited) |
| Howard Hickman | McCreery's Associate #1 (uncredited) |
| Earle Hodgins | Rodeo Barker (uncredited) |
| Jack Ingram | Oilman at Producers' Convention (uncredited) |
| Douglas Wood | Oil Man at New York Meeting (uncredited) |
| Clark Gable | Big John McMasters |
| Spencer Tracy | Square John Sand |
| Claudette Colbert | Betsy Bartlett |
| Hedy Lamarr | Karen Vanmeer |
| Frank Morgan | Luther Aldrich |
| Lionel Atwill | Harry Compton |
| Chill Wills | Harmony Jones |
| Marion Martin | Whitey |
| Minna Gombell | Spanish Eva |
| Harry Hayden | Architect |
| Eddy Waller | Hotel Desk Clerk in Burkburnett |
| Casey Johnson | Little Jack |
| Baby Quintanilla | Baby Jack |
| Frank McGlynn Sr. | Deacon |
| Bess Flowers | Worker in McMasters' Office (uncredited) |
| Nell Craig | Compton's Secretary |
| Byron Foulger | Geologist |
| Roy Gordon | McCreery |
| Jimmy Dime | Townsman (uncredited) |
| Eddie Dunn | Wildcatter (uncredited) |
| Franklyn Farnum | Alarmed Townsman (uncredited) |
| Pat Flaherty | Man at Dice Table (uncredited) |
| Sam Garrett | Rider / Roper (uncredited) |
| George Guhl | Baggage Man (uncredited) |
| William Halligan | McCreery's Associate #2 (uncredited) |
| Frank Hagney | Man Abandoned by Whitey (uncredited) |
| John Hamilton | McMasters' Defense Attorney (uncredited) |
| Milton Parsons | Aldrich's Assistant (uncredited) |
| Lee Phelps | Man Fighting Oil Fire (uncredited) |
| Larry Steers | Lawyer at Prosecution's Table (uncredited) |
| Bert Stevens | Hotel Lobby Extra (uncredited) |
| Eddy Waller | Hotel Clerk (uncredited) |
| Harry Wilson | Townsman (uncredited) |
| Henry Roquemore | Mr. Summers (uncredited) |
| William Tannen | Hotel Desk Clerk #1 (uncredited) |
| Tom Wilson | Man in Saloon (uncredited) |
| Tom London | Sheriff Harris (uncredited) |
| Frank McLure | Man in Hotel Lobby (uncredited) |
| Carlotta Monti | Saloon Hostess Fighting Whitey (uncredited) |
| Philip Morris | Oil Man (uncredited) |
| John T. Murray | Mr. Springtime (uncredited) |
| Wedgwood Nowell | Oilman at Producers' Convention (uncredited) |
| Mitchell Lewis | Venezuelan Foreman (uncredited) |
| Ted Oliver | Man Asking 4 Bits to Cross (uncredited) |
| Nestor Paiva | Venezuelan Officer (uncredited) |
Crew
| John Lee Mahin | Screenplay |
| Jack Conway | Director |
| James Edward Grant | Story |
| Cedric Gibbons | Art Direction |
| Harold Rosson | Director of Photography |
| A. Arnold Gillespie | Special Effects |
| Edwin B. Willis | Set Decoration |
| Sydney Guilaroff | Hairstylist |
| Sam Zimbalist | Producer |
| Blanche Sewell | Editor |
| John Hoffman | Special Effects |
| Franz Waxman | Original Music Composer |
| Adrian | Costume Designer |
| Douglas Shearer | Sound Recordist |
| Gile Steele | Costumer |
| John Lee Mahin | Screenplay |
| Harold Rosson | Director of Photography |
| A. Arnold Gillespie | Special Effects |
| Edwin B. Willis | Set Decoration |
| Sydney Guilaroff | Hairstylist |
| Cedric Gibbons | Art Direction |
| Jack Conway | Director |
| Sam Zimbalist | Producer |
| James Edward Grant | Story |
| Blanche Sewell | Editor |
| Franz Waxman | Original Music Composer |
| Douglas Shearer | Sound Recordist |
| Adrian | Costume Designer |
| John Hoffman | Special Effects |
| Gile Steele | Costumer |