Cmdr. Robert Brennan
Supt. Folland
Jimmy Ellis
Maj. Elliott
Anna Braun
Mrs. Ellis
Grant Mansfield
Morgan Williams
Stringer
George Ellis
Mrs. Bowers
Commissioner
Scotland Yard Man
Percy Ward
Reginald Gordon-Wells
Benson - Scotland Yard man
Slater
Albert Brewer (uncredited)
Mrs Skinner (uncredited)
Pier Superintendant (uncredited)
Street photographer (uncredited)
Mrs Finch-Harvey - Music Club member (uncredited)
Detective (uncredited)
Railway shunter (uncredited)
