
Acting
From Wikipedia
Maurice George Costello (February 22, 1877 – October 29, 1950) was an American prominent vaudeville actor of the late 1890s and early 1900s, who later played a principal role in early American films, as both a leading man, supporting player and a director.
Costello was born in Pittsburgh, Pennsylvania to Irish immigrants Ellen and Thomas Costello. He appeared in his first motion picture in 1905, in which he had the honour of appearing in the first serious film to feature the character of Sherlock Holmes in the movie Adventures of Sherlock Holmes, in which Costello played the t…

The Climax
as Audience Member (Uncredited)

Practically Yours
as Senate Stenographer (uncredited)

A Fig Leaf for Eve
as Nightclub Patron

Du Barry Was a Lady
as Passerby (uncredited)

The Glass Key
as Card Player (uncredited)

Citizen Kane
as Extra (uncredited)

Here Comes Mr. Jordan
as Ringsider at Fight (uncredited)

Ride 'Em Cowboy
as Rodeo Spectator with Martin Manning (uncredited)

A Man Betrayed
as Club Inferno Patron (uncredited)

Lady from Louisiana
as Edwards
The Sea Hawk
1940