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
as Inspector Lou Van Alsdale
as Sgt. Pat Cassady
as Howard McBride
as Kathy Cooper
as Capt. E. J. Goodlad
as Frederick Cooper
as Dr. Charles Bedford
as Freddie Trench
as Rainie Lewis
as Victor Shoddy
as J.P. Moose
as Raphael
as Don Cope
as Harold Britten
as Lulu
as Inspector Poole
as Surgical Nurse
as Lilly
as Man with Tape Recorder at Hospital (uncredited)
as Doctor (uncredited)
