Do Larry Semon and George Lessey share the same nationality?
yes
George Lessey
George Lessey (June 8, 1879 – June 3, 1947) was an American actor and director of the silent era.
 He appeared in 123 films between 1910 and 1946.
 He also directed 76 films between 1913 and 1922.
 Lessey also appeared in the original Broadway production of "Porgy and Bess" (1935) in one of the few white roles, that of the lawyer Mr. Archdale.
Larry Semon
Lawrence "Larry" Semon (February 9, 1889 – October 8, 1928) was an American actor, director, producer, and screenwriter during the silent film era.
 In his day, Semon was considered a major movie comedian, but he is now remembered mainly for working with both Stan Laurel and Oliver Hardy before they started working together.
Trouble Brewing (1924 film)
Trouble Brewing is a 1924 American silent comedy film featuring Larry Semon, Carmelita Geraghty and Oliver Hardy.
 It is believed to be lost. The Sawmill
The Sawmill is a 1922 American comedy film directed by Larry Semon and featuring Oliver Hardy. The Barnyard
The Barnyard is a 1923 film featuring Oliver Hardy and directed by Larry Semon. The Counter Jumper
The Counter Jumper is a 1922 American film directed by Larry Semon and featuring Oliver Hardy.
 It is a remake of the 1919 film "The Grocery Clerk", which was also directed by Semon.
 The film was screened at the Museum of Modern Art in 2009 as part of a series examining slapstick. Bears and Bad Men
Bears and Bad Men is a 1918 American silent comedy film directed by Larry Semon and featuring Stan Laurel. The Midnight Cabaret
The Midnight Cabaret is a 1923 American film directed by Larry Semon and featuring Oliver Hardy. Huns and Hyphens
Huns and Hyphens is a 1918 American silent comedy film featuring Larry Semon and Stan Laurel. Special Delivery (1927 film)
Special Delivery is a 1927 American silent comedy film directed by Roscoe Arbuckle (as ""William Goodrich""), starring Eddie Cantor, written by Cantor, John F. Goodrich and George Marion Jr. (with Larry Semon, uncredited).
 It was released by Paramount Pictures.