The Sea Wolf is a lost^[1] 1913 American silent adventure film directed by and starring Hobart Bosworth and co-starring Herbert Rawlinson.^[2][3] Based on the 1904 Jack London novel The Sea-Wolf, the production's master negatives were destroyed in the disastrous 1914 vault fire at the Lubin Manufacturing Company, the Philadelphia-based film company that Bosworth contracted to produce theatrical prints of his screen adaptation.

Bosworth previously made a one reel version of the story at Selig directed by Sidney Ayres.^[4] It was never released officially. The Balboa company also made a competing version and was sued by author Jack London who had it removed from theatres.^[5] Bosworth formed his own company, hired Jack London himself as a cast member, and made this 7 reel version. It was not released until London's legal dispute with the Balboa company was over. In February 1914 W.W. Hodkinson released the film commercially.

• Hobart Bosworth as Wolf Larsen
• Herbert Rawlinson as Humphrey Van Weyden
• Viola Barry as Maude Brewster
• J. Charles Haydon as Mugridge
• Jack London as A Sailor
• Gordon Sackville as Johnson
• Joe Ray

• List of Paramount Pictures films