Delmar Costello

1934

• [ ] Four Frightened People (Sakais) 

1935

• [ ] Arizona Trails (Juan) 

1940

• [ ] The Grapes of Wrath (Migrant (uncredited)) 
• [ ] North West Mounted Police (Malcolm) 

1946

• [ ] Crack-Up (Deck Hand (Uncredited)) 

1955

• [ ] Hell's Island (Man (uncredited))