演員表
- 導演：
- 編劇：
- 演員：
- 詹姆斯惠特摩 James Whitmore ............Police Sgt. Ben Peterson
- Edmund Gwenn ............Dr. Harold Medford
- Joan Weldon ............Dr. Patricia 'Pat' Medford
- James Arness ............Robert Graham
- Onslow Stevens ............Brig. Gen. Robert O'Brien
- Sean McClory ............Maj. Kibbee
- Chris Drake ............Trooper Ed Blackburn
- Sandy Descher ............The Ellinson Girl
- Don Shelton (Ⅰ) ............Trooper Capt. Fred Edwards
- Fess Parker ............Alan Crotty
