"Big Jim Brannigan takes on London - Chicago Style !"
A hard-nosed Chicago cop is sent to London to bring back an American mobster being held for extradition. Brannigan in his Irish-American way brings American law to the people of Scotland Yard but has to contend with a stuffy old London first.
Lt. Jim Brannigan

Cmdr. Charles Swann

DS Jennifer Thatcher

Mel Fields

Ben Larkin

Capt. Moretti

Julian

Luana

Drexel

Charlie-the-Handle

Jimmy-the-Bet

Insp. Traven

Gorman

Angell

Mrs Cooper

Alex

Geef

Freddy

Miss Rooke
Motorcycle Courier

Miss Allen

Boyle
Customs Inspector (uncredited)

Man in Bar (uncredited)

Gentlemans Club Member (uncredited)
Club Member (uncredited)
Jennifer's Fiance (uncredited)

Policeman getting into car (uncredited)
Policeman (uncredited)
Man in Bar (uncredited)

Policeman (uncredited)
Man in Pub (uncredited)
Wanted Man (uncredited)
Man In Bar (uncredited)
Passerby near Tower Bridge (uncredited)
Diner at Gentlemans Club (uncredited)
Man in Pub (uncredited)

Man in Pub Fight (uncredited)

Man in Bar (uncredited)

Gates (uncredited)
Diner at Gentlemans Club (uncredited)
Neighbour (uncredited)

Man in Bar (uncredited)
Customer in Bar Fight (uncredited)
Club Clerk (uncredited)
Neighbour (uncredited)
Arthur (uncredited)
Policeman (uncredited)
Masseur (uncredited)

Man in Bar (uncredited)

Wanted Man (uncredited)
Larkin's Club doorman (uncredited)
Policeman (uncredited)
Diner at La Terraza (uncredited)

Man in Pub (uncredited)
Man in Bar (uncredited)
Wanted Man (uncredited)
Police Driver (uncredited)