
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
Inspector Lou Van Alsdale

Sgt. Pat Cassady

Howard McBride

Kathy Cooper

Capt. E. J. Goodlad

Frederick Cooper

Dr. Charles Bedford

Freddie Trench

Rainie Lewis

Victor Shoddy
J.P. Moose

Raphael

Don Cope

Harold Britten

Lulu

Inspector Poole

Surgical Nurse

Lilly
Man with Tape Recorder at Hospital (uncredited)

Doctor (uncredited)
