Lewis D. Gallo (June 12, 1928 – June 11, 2000) was an American character actor and producer, best known for his role as Maj. Joseph Cobb on the 1960s ABC World War II series Twelve O'Clock High.Gallo was born in Mount Kisco, New York, and he served as an Army infantryman during the Korean War.He also made appearances on other TV series including Rawhide, Dr. Kildare, Straightway, Lost in Space, The F.B.I., Gunsmoke, The Twilight Zone, Perry Mason, Tales of Wells Fargo, Combat!, and Get Smart. He also appeared in the films Ocean's 11 and PT 109 and Pork Chop Hill. Gallo appeared on Broadway in Will Success Spoil Rock Hunter? (1955). As a producer he worked on such series as That Girl, Love, American Style, The Ghost & Mrs. Muir and The New Mike Hammer. Gallo died on June 11, 2000 in Los Angeles, California, the day before his 72nd birthday. He was survived by his wife of 42 years, television producer Lillian Gallo. They had two children, Mary Ann and Tom.