Elmo and his Sesame Street friends work with former NASA engineer turned YouTube star Mark Rober to make special presents for a Merry Giftmas exchange.
| Actor | Role |
|---|---|
 Mark RoberMark Rober | Mark Rober |
| BBob PflugfelderBob Pflugfelder | Bob Pflugfelder |
 Bam SinghasanehBam Singhasaneh | Bam Singhasaneh |
 Ryan DillonElmo (voice) | Elmo (voice) |
 Leslie Carrara-RudolphAbby Cadabby (voice) | Abby Cadabby (voice) |
 David RudmanCookie Monster (voice) | Cookie Monster (voice) |
 Eric JacobsonGrover / Oscar the Grouch / Bert (voice) | Grover / Oscar the Grouch / Bert (voice) |
 Peter LinzErnie (voice) | Ernie (voice) |
 Matt VogelBig Bird | Big Bird |