Wallace Reid. Wallace Reid was 31 in Thirty Days as 'John Floyd'.
Wanda Hawley. Wanda Hawley was 27 in Thirty Days as 'Lucille Ledyard'.
Charles Ogle. Charles Ogle was 57 in Thirty Days as 'Judge Hooker'.
Cyril Chadwick. Cyril Chadwick was 43 in Thirty Days as 'Huntley Palmer'.
Herschel Mayall. Herschel Mayall was 59 in Thirty Days as 'Giacomo Polenta'.
Helen Dunbar. Helen Dunbar was 59 in Thirty Days as 'Mrs. Floyd'.
Carmen Phillips. Carmen Phillips was 27 in Thirty Days as 'Carlotta'.
Kalla Pasha. Kalla Pasha was 43 in Thirty Days as 'Warden'.
Robert Brower. Robert Brower was 72 in Thirty Days as 'Professor Huxley'.
James Cruze. James Cruze was 38 in Thirty Days as 'Director'
Clayton Hamilton. Clayton Hamilton was >> in Thirty Days as 'Theatre Play'Walter Woods. Walter Woods was 41 in Thirty Days as 'Adaptation'Augustus E. Thomas. Augustus E. Thomas was 65 in Thirty Days as 'Theatre Play'