Roscoe 'Fatty' ArbuckleRoscoe 'Fatty' Arbuckle was 33 in The Round-Up as 'Slim Hoover'.
Mabel Julienne ScottMabel Julienne Scott was 27 in The Round-Up as 'Echo Allen'.
Irving CummingsIrving Cummings was 32 in The Round-Up as 'Dick Lane'.
Wallace BeeryWallace Beery was 35 in The Round-Up as 'Buck McKee'.
Tom FormanTom Forman was 27 in The Round-Up as 'Jack Payson'.
Jean AckerJean Acker was 26 in The Round-Up as 'Polly Hope'.
Edward P. SullivanEdward P. Sullivan was >> in The Round-Up as 'Bud Lane'.
Guy OliverGuy Oliver was 42 in The Round-Up as 'Uncle Jim Allen'.
Jane WolfeJane Wolfe was 45 in The Round-Up as 'Josephine Allen'.
Buster KeatonBuster Keaton was 25 in The Round-Up as 'Indian (uncredited)'.
George MelfordGeorge Melford was 43 in The Round-Up as 'Director'Paul P. PerryPaul P. Perry was 28 in The Round-Up as 'Director of Photography'Tom FormanTom Forman was 27 in The Round-Up as 'Writer'