![](https://image.tmdb.org/t/p/w92/p7nmZeuQjHOsNFgqgEXBdh78OSC.jpg)
Richard Barthelmess
Karl Brenner
![](https://image.tmdb.org/t/p/w92/ygkbrzEZvoMUYG30tZe2pJpkYcY.jpg)
Marian Marsh
Lotti Brenner
![](https://image.tmdb.org/t/p/w92/lbAnrgQkgmpu1a7HZd3dkADUM9J.jpg)
Norman Foster
Stephan Brenner
![](https://image.tmdb.org/t/p/w92/qehqfynNRFYDpKGjr6cVOBmfxm0.jpg)
Adrienne Dore
Anna
![](https://image.tmdb.org/t/p/w92/6L3j9U9IkxJhatF8ASsO3PtNZUN.jpg)
Lucille La Verne
Martha Brenner, Karl's foster mother (as Lucille LaVerne)
![](https://image.tmdb.org/t/p/w92/q242vTdxgXFTVjmtDB5sPjxfhHy.jpg)
John St. Polis
Dr. Niergardt
George Rosener
Dr. Von Bergman
![](https://image.tmdb.org/t/p/w92/zuV7Kj0bBPg0BYjjyq0rm0PhaW5.jpg)
Nigel De Brulier
Autopsy Surgeon (uncredited)