Dan MacDonald

Pat

Sally

Johnny Lambert

Maisie

Charlie Vernon - acrobat / George

Pamela, Maisie's sister

Engine Room Officer Trotter

Harry

Alf

DI Williams

Customs Officer Andrews

Mike

Plainclothes Policeman in Squad Car (uncredited)

Squad Car Officer (uncredited)

Ethel the Barmaid (uncredited)

Garage attendant (uncredited)

George (uncredited)

Pamela's Boyfriend (uncredited)

The Murdered Watchman (uncredited)

Detective in Pub (uncredited)

Sam (uncredited)

Jock (uncredited)

Customs Officer (uncredited)

Officer on the Dunbar (uncredited)

Police Constable Witnessing Robbery (uncredited)

Mary (uncredited)

Sailor on Barge (uncredited)

Squad Car Officer (uncredited)

Superintendent (uncredited)

2nd Engineer (uncredited)

Detective Detaining Suspect (uncredited)

Bit Part (uncredited)

First Tram Conductor (uncredited)

Sailor on the Dunbar (uncredited)

Captain of Dunbar (uncredited)

Seaman on the Dunbar (uncredited)

Commissionaire (uncredited)

Singer in Pub (uncredited)

Dock Worker (uncredited)

Station Sgt. (uncredited)

Pub Patron (uncredited)

Edward - Speaker at Hyde Park Corner (uncredited)

Garage Pump Attendant (uncredited)

Detective at Bank (uncredited)

Drinking Club Blonde (uncredited)

Pianist (uncredited)

Inspector Jim Moss (uncredited)

Sgt. - River Police (uncredited)

Speaking Extra (uncredited)

Alf - Theatre Performer (uncredited)