Sheldon Allman (June 8, 1924 – January 22, 2002) was an American-Canadian actor, singer, and songwriter.

Allman was born in Chicago, Illinois.^[1] He began his singing career with the Royal National Guard^[2] during his World War II service with the Royal Canadian Air Force.^[3] He moved to Los Angeles in 1949, in order to attend the Los Angeles Conservatory of Music.^[3] After it, he appeared in 12 films, including such notable films as Nevada Smith, The Sons of Katie Elder, Hud and In Cold Blood. His co-stars included, respectively, Steve McQueen, John Wayne and Paul Newman. He also made appearances in numerous TV series during the 1960s and 1970s.^[4]

On television, Allman provided the voice of Big H in CB Bears on CBS^[5] and played Norm Miller in Harris Against the World on NBC.^[5]: 436 He provided music on the game show Three for the Money on NBC,^[5]: 1077 and he was the singing voice for TV's Mister Ed, for which he also wrote and recorded "The Pretty Little Filly with the Ponytail" and "The Empty Feedbag Blues".^[2] Mr. Allman wrote longer versions of these songs, but never recorded the longer versions.^{[citation needed]} He was the lyricist for the theme song to George of the Jungle.^[2] Additionally, Allman worked with Stan Worth, co-writer of the "George of the Jungle" theme, to create music for a number of game shows by Stefan Hatos-Monty Hall Productions, including the 1970s versions of Let's Make a Deal,^[2] Masquerade Party and It Pays to be Ignorant.

In 1960, Allman released Folk Songs for the 21st Century,^[2] an album of novelty songs all revolving around science-fiction themes. The tongue-in-cheek material, which Allman wrote and arranged himself, included titles such as "Crawl Out Through The Fallout" and "Radioactive Mama."^[6] "Crawl Out Through The Fallout" is used in the video game Fallout 4 and the 2024 TV adaptation Fallout during the closing credits of season 1 episode one.

In addition, Allman co-wrote two comedy horror-themed stage musicals with Bobby Pickett, composer of the hit novelty song, "Monster Mash." The musicals were I'm Sorry the Bridge Is Out, You'll Have to Spend the Night^[1] and its sequel, Frankenstein Unbound, the former of which was made into the 1995 film, Monster Mash.^[2]

On January 22, 2002, Allman died of heart failure^[2] at his home in Culver City, California, at age 77.^[3] His interment is in Culver City's Hillside Memorial Park Cemetery.^{[citation needed]}