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
Robert Hooks
Inspector Lou Van Alsdale
Jeremy Slate
Sgt. Pat Cassady
Robert Wagner
Howard McBride
Carol Lynley
Kathy Cooper
Simon Oakland
Capt. E. J. Goodlad
John Randolph
Frederick Cooper
José Ferrer
Dr. Charles Bedford
Don Pedro Colley
Freddie Trench
