| 角色 | 演員 | 備註 |
| Ofcr. Charlie Dunnigan | 保羅·道格拉斯（Paul Douglas） |
|
| Robert Cosick | 理察·貝斯哈特（Richard Basehart） |
|
| Virginia Foster | 芭芭拉·貝爾·戈迪斯（Barbara Bel Geddes） |
|
| Ruth | 黛博拉·佩吉特（Debra Paget） |
|
| Christine Hill Cosick | 阿格妮絲·摩爾海德（Agnes Moorehead） |
|
| Paul E. Cosick | Robert Keith |
|
| Deputy Chief Moskar | Howard Da Silva |
|
| Danny Klempner | 傑弗里·亨特（Jeffrey Hunter） |
|
| Dr. Strauss | Martin Gabel |
|
| Mrs. Louise Ann Fuller | 格蕾絲·凱利（Grace Kelly） |
|
| Walter, room service waiter | 弗蘭克·費倫（Frank Faylen） |
|
| Sgt. Farley | Jeff Corey |
|
| Sgt. Boyle | James Millican |
|
| Dr. Benson | Donald Randolph |
|
| Charwoman | Lucille Rogers |
|
| Charwoman | Jean Temple |
|
| Attorney (uncredited) | George Baxter |
|
| Cab Driver for Mrs. Fuller (uncredited) | Leonard Bell |
|
| (uncredited) | 理察·貝梅爾（Richard Beymer） |
|
| Photographer (uncredited) | Barry Brooks |
|
| Police Captain (uncredited) | Bernard Burke |
|
| Cab Driver (uncredited) | David Burns |
|
| Bit Part (uncredited) | 約翰·卡索維茨（John Cassavetes） |
|
| Girl in the Street (uncredited) | Gean Danise |
|
| Cab driver (uncredited) | 奧西·戴維斯（Ossie Davis） |
|
| Reporter (uncredited) | 布拉德·德克斯特（Brad Dexter） |
|
| Mr. Fuller (uncredited) | Leif Erickson |
|
| TV Announcer (uncredited) | Michael Fitzmaurice |
|
| Harry Dunnigan (uncredited) | 高登·戈貝特（Gordon Gebert） |
|
| Hotel Switchboard Operator (uncredited) | Sandra Gould |
|
| Police Operator (uncredited) | Kenneth Harvey |
|
| Reporter (uncredited) | Jerry Hausner |
|
| Regan (uncredited) | Russell Hicks |
|
| Extra (uncredited) | 布耐恩·凱斯（Brian Keith） |
|
| Cop (uncredited) | Rusty Lane |
|
| Cab driver (uncredited) | 哈維·萊姆貝克（Harvey Lembeck） |
|
| Reverend Dr. Jason (uncredited) | George MacQuarrie |
|
| Cop (uncredited) | Rory Mallinson |
|
| Radio man (uncredited) | Renny McEvoy |
|
| Cop (uncredited) | John McGuire |
|
| Bellboy (uncredited) | Bill McLean |
|
| Reporter (uncredited) | Shepard Menken |
|
| Mrs. Helen Dunnigan (uncredited) | Ann Morrison |
|
| Police Commissioner (uncredited) | Forbes Murray |
|
| Cop (uncredited) | Howard Negley |
|
| Impatient Hotel Guest (uncredited) | Frank Nelson |
|
| Reporter (uncredited) | George Offerman |
|
| Kemper (uncredited) | Robert Pitkin |
|
| Cab Driver (uncredited) | Lou Polan |
|
| Radio Announcer (uncredited) | George Putnam |
|
| Fireman (uncredited) | John Randolph |
|
| Woman in Hotel (uncredited) | Suzanne Ridgeway |
|
| Reporter (uncredited) | Dan Riss |
|
| Cab driver (uncredited) | Henry Slate |
|
| Stella, Secretary (uncredited) | Alix Talton |
|
| Barbara, Ruth's friend (uncredited) | 喬伊絲·馮·派特（Joyce Van Patten） |
|
| Thomas Edward Fuller (uncredited) | James Warren |
|
| Mr. Harris (uncredited) | Willard Waterman |
|
| Hotel clerk (uncredited) | William H. Welsh |
|
| Photographer (uncredited) | Mervin Williams |
|
