The train scene had to be shot at Fox, the only studio to house a standing train set.
The TV camera in the Ed Harrison Show scene is a real one (a classic RCA monochrome) the call sign atop it was real as well - it was that of Channel 4, NBC's (and thus RCA's) flagship station in New York, which changed its call sign to WRCA-TV the year of the film's release. (They adopted their current WNBC-TV calls in 1960.)
The Vermont inn is the remodeled Connecticut inn set from the movie Holiday Inn which Bing Crosby also starred in singing songs written by Irving Berlin.
Third of three films to feature Bing Crosby singing "White Christmas".
This was 1954's most successful film. The second most successful was The Caine Mutiny, which featured Rosemary Clooney's husband, José Ferrer.
Though Rosemary Clooney couldn't be on the original album due to contractual conflicts, she recorded the song "Sisters" with her real-life sister, Betty Clooney. On the official album, Peggy Lee recorded the song and sang both parts via overdubbing, a new technology in 1954.
Tne musical stage adaptation premiered in San Francisco in 2004 followed by productions in Boston, Buffalo, Los Angeles, Detroit, Louisville and the United Kingdom. The Broadway production opened on November 23, 2008 at the Marquis Theater and ran for 53 performances earning two Tony Award nominations. The musical was revived at the Marquis Theater for the 2009 Christmas season.
When Bob Wallace (Bing Crosby) appears on the Ed Harrison TV show, he is briefly shown - as if the audience is watching him at home - on a 1950s television set. The brand of the television is DuMont, one of the first manufacturers of TVs in America and the name of TV network from the 1950s. Jackie Gleason, Morey Amsterdam and Bishop Fulton J. Sheen were some of the notables that began on the DuMont Network, which ceased operations in 1956.