The Test of Friendship
Plot: Mack Sennett appears as a guest and a man in the fight in this film produced by the Biograph Company.
Arthur V. Johnson. Arthur V. Johnson was 32 in The Test of Friendship as 'Edward Ross'.
Florence Lawrence. Florence Lawrence was 22 in The Test of Friendship as 'Jennie Colman'.
Harry Solter. Harry Solter was 35 in The Test of Friendship as 'The Butler / Foreman'.
George Gebhardt. George Gebhardt was 29 in The Test of Friendship as 'The Valet'.
Mack Sennett. Mack Sennett was 28 in The Test of Friendship as 'Guest / Man in Fight'.
Linda Arvidson. Linda Arvidson was 24 in The Test of Friendship as 'Guest / Woman at Wigmaker's'.
Robert Harron. Robert Harron was 15 in The Test of Friendship as 'Man Leaving Factory'.
Charles Inslee. Charles Inslee was 38 in The Test of Friendship as 'Employer / Guest'.
Marion Leonard. Marion Leonard was 27 in The Test of Friendship as 'Guest / Woman at Wigmaker's'.
D.W. Griffith. D.W. Griffith was 33 in The Test of Friendship as 'Director'