;Original vocals and instrumentation Partial credits from Keith Flynn and Ernst Jorgensen's examination of session tapes and RCA and AFM paperwork. •
Elvis Presley – lead vocals, acoustic rhythm guitar •
Millie Kirkham – backing vocals •
The Jordanaires (Gordon Stoker, Neal Matthews, Hoyt Hawkins, Hugh Jarrett) – backing vocals •
Scotty Moore – lead guitar •
James Burton – lead guitar •
Chip Young – rhythm guitar •
Norbert Putnam – bass •
Bill Black – bass •
Dudley Brooks – piano •
David Briggs – piano •
D.J. Fontana – drums •
Kenneth Buttrey – drums •
Jerry Carrigan – drums •
Charlie McCoy –
harmonica, organ, percussion •
Charlie Hodge – acoustic rhythm guitar (uncertain) • Gene Estes – marimba (uncertain) •
Eddie Hinton – lead guitar on "Merry Christmas Baby" (uncertain) •
Larrie Londin – additional drums, additional percussion • Farrell Morris – bells, additional percussion •
Tommy Shepard – trombone (uncertain) ;The Imperials •
Terry Blackwood – backing vocals • Joe Moscheo – backing vocals • Jimmie Murray – backing vocals • Armond Morales – backing vocals • Greg Gordon – backing vocals •
The Imperials – sampled background vocals (tracks 10–12) ;Overdubbed Unless otherwise indicated, overdub credits are obtained from the album's liner notes. •
Eddie Bayers – drums (tracks 1–8, 10–13) •
Richard Bennett – acoustic guitar (tracks 1–2, 6) •
Eric Darken – percussion (tracks 2, 5, 7–8) •
Sara Evans – additional vocals (track 5) • Steve Gibson – guitar (electric on tracks 1–3, 5–6, acoustic on 8, additional on 4, 11–13) • Ginger Holliday – background vocals (tracks 7, 10–12) •
David Hungate – bass guitar (tracks 3–5, 7–8, 10–13) •
John Jarvis – piano (tracks 2, 4–6, 11–13), Hammond organ (7) •
The Jordanaires – background vocals (tracks 1–6, 8–9, 13) • Karen Fairchild – additional vocals (track 8) • Kimberly Schlapman – additional vocals (track 8) • Michael Black – Jordanaires group member (track 13) • Louis Nunley – Jordanaires group member (tracks 1–6, 8–9, 13) • Gordon Stoker – Jordanaires group member (tracks 1–6, 8–9, 13) •
Ray Walker – Jordanaires group member (tracks 1–6, 8–9, 13) • Curtis Young – Jordanaires group member (tracks 1–6, 8–9) •
Millie Kirkham – background vocals (tracks 1–6, 8–9, 13, sampled on 10–12) • Jim Long – electric guitar (track 3) •
Gordon Mote – Hammond organ (tracks 1–6, 8, 11–13) •
Anne Murray – additional vocals (track 9) •
Nashville String Machine – strings (track 11) •
Olivia Newton-John – additional vocals (track 10) •
Palmetto State Quartet (Larry Strickland, Brian Beatty, Kerry Beatty, Jeremy Calloway) – background vocals (track 4) •
LeAnn Rimes – additional vocals (track 3) • Temple Riser – background vocals (tracks 7, 10–12) •
Hargus "Pig" Robbins – piano (tracks 1, 3, 8) •
Gretchen Wilson – additional vocals (track 7) •
Glenn Worf – bass guitar (tracks 1–2, 6) •
Renée Martel – lead vocals on "On a Snowy Christmas Night" (Canadian release only) ;Production •
Steve Sholes – producer (original 1957 recordings) (uncredited) • Thorne Nogar – engineer (original 1957 recordings) (uncredited) •
Felton Jarvis – producer (original 1971 recordings) (uncredited) • Al Pachucki – engineer (original 1971 recordings) (uncredited) • Mickey Crofford – engineer (original 1971 recordings) (uncredited) •
Chuck Ainlay – record producer (All tracks), audio mixing (All tracks), recording engineer (1–2, 4, 6, 8, 11–13, instrumental on 3, 5, 7, 9–10) • Eric Bates – additional vocal recording engineer (track 5) • Jim Cooley – audio mixing assistant (All tracks), assistant recording engineer (1–6, 8–13, instruments on 7) • Carl Gorodetzky – string contractor (track 11) • Mike Griffith – production coordinator (All tracks) • Larry Hamby – record producer (All tracks) • Chris Henry – additional vocal recording engineer (track 10) • Ann Mincieli – additional vocal recording engineer (track 3) • Ryan Nelson – assistant recording engineer (additional vocals on track 7) • Bart Pursley – additional vocal recording engineer (track 7) • Bergen White – string arrangements (track 11) • Jeff Wolpert – additional vocal recording engineer (track 9) == Chart positions ==