| 角色 | 饰演者 | 角色介绍 |
| Frank Black (66?episodes 1996-1999) | 兰斯·亨利克森 | |
| Jordan Black (40?episodes 1996-1999) | Brittany Tiplady | |
| Peter Watts (40?episodes 1996-1999) | 特瑞·欧奎恩 | |
| Catherine Black (31?episodes 1996-1999) | 梅根·加拉格尔 | |
| Agent Emma Hollis (22?episodes 1998-1999) | Klea Scott | |
| Det. Bob Giebelhouse (16?episodes 1996-1999) | Stephen J. Lang | |
| Assistant Director Andy McClaren?/ ... (12?episodes 1996-1999) | Stephen E. Miller | |
| Lt. Bob 'Bletch' Bletcher (11?episodes 1996-1997) | Bill Smitrovich | |
| Lara Means (10?episodes 1997-1998) | 克里森·克拉克 | |
| Special Agent Barry Baldwin (9?episodes 1998-1999) | 彼得·奥特布里奇 | |
| Lucy Butler (6?episodes 1997-1999) | Sarah-Jane Redmond | |
| Finley?/ ... (6?episodes 1997-1999) | Judith Maxie | |
| Mabius?/ ... (6?episodes 1996-1999) | Bob Wilde | |
| Driver?/ ... (6?episodes 1998-1999) | Barry W. Levy | |
| Cheryl Andrews (5?episodes 1996-1998) | 希·庞德  | |
| Brian Roedecker (5?episodes 1997-1998) | Allan Zinyk | |
| The Old Man?/ ... (5?episodes 1997-1998) | R·G·阿姆斯特朗 | |
| Justine Miller (5?episodes 1997-1999) | Maxine Miller | |
| Doug Scaife?/ ... (5?episodes 1997-1999) | 特莱沃·怀特 |
