Robert Donat. Robert Donat was 29 in The Count of Monte Cristo as 'Edmond Dantes'.Elissa Landi. Elissa Landi was 29 in The Count of Monte Cristo as 'Mercedes'.Louis Calhern. Louis Calhern was 39 in The Count of Monte Cristo as 'De Villefort Jr.'.Sidney Blackmer. Sidney Blackmer was 39 in The Count of Monte Cristo as 'Mondego'.Raymond Walburn. Raymond Walburn was 46 in The Count of Monte Cristo as 'Danglars'.O. P. Heggie. O. P. Heggie was 56 in The Count of Monte Cristo as 'Abbe Faria'.Irene Hervey. Irene Hervey was 25 in The Count of Monte Cristo as 'Valentine'.Georgia Caine. Georgia Caine was 57 in The Count of Monte Cristo as 'Mme. De Rosas'.Walter Walker. Walter Walker was 70 in The Count of Monte Cristo as 'Morrel'.Lawrence Grant. Lawrence Grant was 63 in The Count of Monte Cristo as 'De Villefort Sr.'.Luis Alberni. Luis Alberni was 47 in The Count of Monte Cristo as 'Jacopo'.Douglas Walton. Douglas Walton was 23 in The Count of Monte Cristo as 'Albert'.Juliette Compton. Juliette Compton was 35 in The Count of Monte Cristo as 'Clothilde'.Clarence Wilson. Clarence Wilson was 57 in The Count of Monte Cristo as 'Fouquet'.Eleanor Phelps. Eleanor Phelps was >> in The Count of Monte Cristo as 'Haydee'.Rowland V. Lee. Rowland V. Lee was 43 in The Count of Monte Cristo as 'Director, Writer'J. Peverell Marley. J. Peverell Marley was 33 in The Count of Monte Cristo as 'Director of Photography'Dan Totheroh. Dan Totheroh was 40 in The Count of Monte Cristo as 'Writer'Harvey F. Thew. Harvey F. Thew was 51 in The Count of Monte Cristo as 'Writer'Philip Dunne. Philip Dunne was 26 in The Count of Monte Cristo as 'Writer'Edward Small. Edward Small was 43 in The Count of Monte Cristo as 'Producer'Alfred Newman. Alfred Newman was 33 in The Count of Monte Cristo as 'Music'Alexandre Dumas. Alexandre Dumas would have been no older than 68 in The Count of Monte Cristo as 'Author'