Zolok
An evil scientist invents a earthquake machine and plots to take over the world from his base in Africa.
Mulligan
A scientist named Hunter Hawk invents a device that can turn flesh to stone. While celebrating his discovery he becomes involved with a half naked leprechaun. On a trip to New York, Hunter and Meg (the leprechaun) decide to go to the Metropolitan Museum of Art and turn all of the Statues of Greek Gods into people. What follows in a drunken romp around New York with Medusa's severed head still in Perseus' hand.
Joe Saunders
Underworld king Lee Lother has been killed aboard a ocean liner, several people could have been the murderer. There is his mistress Anya Roysen, a married woman, who was jealous of his flirtations with his old moll, night club singer Sally Marsh, who had agreed for one last night with Lother, to get her younger brother Ned out of the Lother's clutches because he has faked Lother's name on a check to pay his gambling debts. Then there is Sally's new flame Jimmy Brett, a con man and gentlemen thief, who has out-tricked Lother in a fixed poker game, and is, together with shorty, after the ladies jewels. Inspector McKinney suspects Joe Saunders, a recently released convict, who was arrested due to some tips by Lother, but Ned and Sally insist that they committed the crime alone.
George - Eadie's Stepfather (uncredited)
Leaving Missouri to find a wealthy husband in New York City, Eadie Chapman becomes a chorus girl and soon entertains at the lavish home of millionaire Frank Cousins. Cousins proposes to Eadie, only to then commit suicide due to bankruptcy. Fellow millionaire T. R. Paige defends Eadie when the police question her for having Cousins' jewelry -- but when she becomes enamored with his son, Tom, Paige declares Eadie a gold digger.
Bonelli
A beautiful chorine marries a handsome rich socialite, but her idyllic life ends when she visits a dying old beau and is charged when he commits suicide.
Dan O'Rourke
The dim-witted son of a heroic fire chief tries to follow in his late father's footsteps, only to become the unknowing pawn of corrupt politicians.
Inspector Mason (as William Boyd)
Easter, a soldier of fortune and gunrunner, leaves his family behind escaping from the authorities and an American detective named Mason. His globe hopping escape leads him finally to South America, where he is hired to organize a band of revolutionaries, unaware that they plan to eliminate him when his job is done. Here, also, he encounters his own son, on track to waste his own life in pursuits similar to Easter's.
Bill Sikes
An orphan boy in 1830s London is abused in a workhouse, then falls into the clutches of a gang of thieves.
Thorwaldt Cornish (as William Boyd)
Guests at a luxury hotel are horrified when they witness a man literally "disappear into thin air." The vanished man's relatives hire a detective, who goes to the hotel to investigate the disappearance.
Sloane
Eddie Burke ( Jack Oakie) is a wise-guy pugilist whose talent is unevenly matched by his ego. Despite his character flaws, Eddie knows the meaning of loyalty. When his manager Doc Williams (William Collier Sr.) is offered the opportunity to stage a match at Madison Square Garden, but only if he gets rid of his stable of fighters, Eddie fabricates an alibi and stages a walkout on Doc.
Captain Boynton
After becoming involved in a killing, Kiddo gets on board Boyton's ship. When he learns what happened he dumps her on a South Sea island.
Valentine 'Vanny' Powers (as William Boyd)
Corrupt alcoholic attorney Tom Cardigan is one of the best lawyers around, commanding the courtroom like a stage and often winning his cases. Mobster Valentine Powers, who employs Cardigan and put him through school, asks him to represent a woman, June Perry, accused of prostitution. Cardigan agrees. But he never expected to fall for her, which is problematic since he's angling to become governor and will need the right kind of wife.
Harry Evans
A young woman goes undercover to gather evidence to free her boyfriend, an attorney who has been framed for a murder he didn't commit.
Sergeant Hogan
Wilkie and Mitchell, trying to desert their draft into the army, stow away on a ship which takes them into the war zone. While AWOL, the rivals for Mary's affections accidently destroy an ammunition dump.
Dr. Ed Marcy
A woman who is a member of a gang of con artists impersonates the mother of a wealthy blind man.
Jerry Kenton
Jackie is the perpetually adolescent mother of two grown children - daughter Lee and son Jeff - who are in their early 20's. In spite of the fact that fourth husband Robert is a good provider, good step-dad, and all-around good sport about Jackie's rather wild ways, Jackie is intent on divorcing him although she seems to bear the man no resentment. It just seems that her only reason is that it's time for a change, much like an impulse to buy a new hat. Both children are upset about her decision since they have great affection for Robert. However, daughter Lee has just arrived home from school and decides to accompany her mother to Reno to look after her. On the train west, Lee meets a young mining engineer, Tom, who is headed to a job interview in California. The two hit it off and a romance buds.
Lt. Valcour
A policeman (William Boyd) investigates a woman's (Lilyan Tashman) link to murders that are preceded by a shrilling horn inside a family mausoleum.
McCoy
A mobster's daughter leads her boyfriend from the circus into bootlegging.
Kedge Darvis
Following a killing and robbery in a big city back east, gang leader Kedge Darvas and some of his henchies take a train to a small western town in Idaho, with intentions of hiding out there until things cool down back in Chi or NYC, or wherever they lammed from.They are welcomed with open arms by the citizens under the impression they are there as capital investors with money to spend. Before long, Darvas figures the town is ripe for the taking and sends word for reinforcements, and each arriving train unloads a few suits and snappy-brim hats.Then they get rough, kill Sheriff Posey Meed and rile up the citizens, led by cowhand Brad Farley, who had Darvas spotted for a wrong number just by the way he made moves on Sue Vancey.
'Sudden Mike' Slade
Naïve insurance agent 'Cyclone' Case falls in love with Sylvia Martine, whose father has a dispute with gangster Mike Slade. When Sylvia is kidnapped by Slade and his gang, 'Cyclone' decides to save her and wanders straight into a gang war without even realizing it.
Jed Graves
Two rival seamen fight for both a promotion to a captaincy in their shipping line and the attentions of a Havana saloon singer. Sparks fly as they both try to out do each other in obtaining what they know their opposite is after. In the end they will need to work together in order to save the day.
Alec McNamara
On a voyage to Nome, Roy Glenister, one of the several owners of a rich mine, The Midas, is captivated by Helen Chester, while he both fascinates and disquiets her by his primitive nature. He arrives to find his partners, Slapjack Simms and Joe Dextry, befuddled by a trio of no-gooders: Voorhees, the U. S. marshal, Judge Stillman, and McNamara, a politician. Their racket is to cloud title to the various mine claims, eject the miners, and make McNamara owner of the disputed properties.
Burr Winton
Burr and Dave, two close friends who have backed each other up in countless difficulties, are torn apart by the arrival of a woman, Manette, who becomes stranded with them in their cabin during a raging blizzard.
Diamond Joe Jennings
A policeman doubles as a gunman to get in with the mob.
Harry Gray
A ruthless, crooked stockbroker is murdered at his luxurious country estate, and detective Philo Vance just happens to be there; he decides to find out who killed him.
Lawrence Reagan
On her first anniversary, Ann Reagan finds that her sister-in-law is involved with a shady character that she used to be intimate with, and determines to intervene.
Max Rupholdt
Cyrus Baird is trying to force his daughter to marry Ethelbert Granger, wealthy but effeminate. She meets and falls in love with James Morton, nephew of Baird's pet enemy. Ethelbert takes the Bairds to cruise in the houseboat of Max Rupholdt, who has a mine layer concealed in the innocent looking craft. Morton, suspected of disloyalty, penetrates Max's secret and rescues the girl just before the fleeing spy meets extermination through one of his own mines.
Isaac (as William Boyd)
When Count Peter Turgeneff, his daughter, Nadia, and Paul, his generous-hearted son, came to live in the Governor's palace in the Russian province of Valogda, there was rejoicing among the oppressed race whose home was in the Ghetto.
Prime Minister
John Carter is a good fellow. In fact, his good fellowship is Carter's one great fault, for the highballs and cocktails which go with it too frequently make him forget his more serious obligations and are cause for anxiety on the part of his charming fiancée Marybelle. Marybelle's little brother, Billie asks Carter what is making Marybelle so sad. Carter replies evasively, "It's a Ringtailed Rhinoceros." Billie vows to kill the rhino. When Carter fails to appear on time at a dinner which was planned to announce his engagement to Marybelle, and finally arrives intoxicated, her parents in anger force her to break the engagement and forbid Carter the house. Marybelle's rejection of Carter hits him hard.