From Wikipedia
David Landau (March 9, 1879, Philadelphia, Pennsylvania - September 20, 1935, Hollywood, California) was an American film actor who appeared in 33 films between 1931 and 1935. He appeared on Broadway in 12 plays from 1919 to 1929. He was born David Magee, and had a stroke in 1934 from which he never recovered. He is buried at Forest Lawn Memorial Park in Glendale, California.
The Warden
Tom Blake
Prop Man
Kelley
McCullough
Bull McDowell
Dan Flynn
Buck Gerard
Bob Gillis
State Veterinarian
Matthew Daggett
'Pop'
Sam Pelgram
Mr. Frank Maurrant
Dan McKenna
Kendall
Lieutenant Frank Martin
John Bronson
Curtis
John "Boss" Gilmurry
Moore
Mr. Zimmer
Beef
'Pop' Clark
Mark
Judson Holderness
Montrose
Dr. J. Herbert Martel
Chief Petty Officer Steve Stevens
Circus Boss
Inspector Conklin
Kraft
Jennings
McGinnis