Two San Francisco detectives investigating a murder committed on one of the city's famous cable cars discover that the victim was the son of a shipping tycoon. The trail leads to a drug dealer, a shady physician and a nervous police captain
| Directing | Jerry Thorpe | Director |
| Writing | Herman Miller | Writer |
| Production | Lloyd Richards | Associate Producer |
| Camera | Fred J. Koenekamp | Director of Photography |
| Production | E. Jack Neuman | Producer |
| Sound | Jerry Goldsmith | Original Music Composer |
| Editing | Alex Beaton | Editor |
| Editing | John W. Holmes | Editor |
| Art | Bill Malley | Art Direction |
