Phyllis Avery, Laurie Mitchell, Edward Hashim, Lewis Charles An old flame of Diamond's comes to him hoping to hire him to find out who is attempting to blackmail her.

Diamond discovers some unpleasant facts about a young woman who was murdered after he talks to her roommate, a dance hall hostess.

Diamond goes undercover as a casino worker in order to find a stolen priceless jewel.

A nun asks Diamond to locate a missing young boy who is a member of a Dixieland band she has organized.

A terrified woman calls Diamond for help after her life is threatened, however by the time Diamond arrives to meet with her she has disappeared.

Diamond learns that a friend of his, who is a TV personality, is undergoing marital problems at home and that his wife may be out to kill him.

A jukebox operator asks Diamond for help when he is threatened by racketeers who want him to use their records exclusively.

An art dealer asks Diamond to make a clandestine investigation into the disappearance of a valuable crown which vanished from a safe on board a yacht.

After inheriting half of a citrus packing plant a pair of brothers hire Diamond to investigate a young woman, they suspect is a gold-digger, who has been romancing their late father's partner.

A masked gunman steals the box office receipts of a charity jazz festival which Diamond is attending.

An antique dealer hires Diamond to find an Oriental cigarette box and his employee who disappeared while delivering the box.

Diamond winds up in the middle of a deadly conspiracy when he agrees to help a wealthy young man find his missing bride.

Diamond heads to Mexico in search of a missing art dealer.

An attractive young woman pleads with Diamond to investigate the murder of a fiananceer. Diamond later learns that her father is the police detective assigned to solve the case.

A mobster wanted by the law who fears that he is going to be assassinated comes to Diamond and asks him to negotiate his surrender to the police.

Diamond accepts an assignment which takes him to South America in search of a political refugee and places him in the middle of international intrigue.

Richard Diamond agrees to work for a percentage of an inheritance if he can prove his client is the rightful heir to an $84,OOO hoard found in the junk-filled shack of an elderly beachcomber who died in a fall.

Diamond moves to Los Angles where he begins to date Karen after she hires him to find her boyfriend's murderer. A woman hires him to find her playboy son who has gone missing.