Rick Jason
— Jethro Jones
Lisa Gastoni
— Kitty Mortlock
Marius Goring
— Doctor Henry Dysert
Sandu Scott
— Stella Dysert
Mary Merrall
— Miss Bettyhill
Vida Hope
— Louise
Helen Shingler
— Charlotte
Phyllis Neilson-Terry
— Lady Lacy
Nicholas Hannen
— Colonel
Kynaston Reeves
— Mr. Sparrow
Avice Landone
— Mrs. Motlock
Frederick Leister
— Doctor Alexander
Patrick Waddington
— Sir George Watson
Totti Truman Taylor
— Mrs. Davies
Noel Hood
— Lady Watson
Frank Atkinson
— Ticket Inspector (uncredited)
Victor Harrington
— Guest at Hunt Ball (uncredited)
Jack Lambert
— Doctor Stubbs (uncredited)
Ian Wilson
— Pharmacist (uncredited)