Kumail Nanjiani Mack Mallard (voice) Elizabeth Banks Pam Mallard (voice) Caspar Jennings Dax Mallard (voice) Tresi Gazal Gwen Mallard (voice) Awkwafina Chump (voice) Carol Kane Erin (voice) Keegan-Michael Key Delroy (voice) Danny DeVito Uncle Dan (voice) David Mitchell GooGoo (voice) Isabela Merced Kim (voice) Carlos Alazraqui Additional Voices (voice) Brock Baker Additional Voices (voice) Gregg Berger Additional Voices (voice) Steve Blum Additional Voices (voice) Kimberly Brooks Additional Voices (voice) Rodger Bumpass Additional Voices (voice) Corey Burton Additional Voices (voice) Sean Chiplock Additional Voices (voice) Amber Lee Connors Additional Voices (voice) Ian James Corlett Additional Voices (voice) David Cowgill Additional Voices (voice) Robin Atkin Downes Additional Voices (voice) David Errigo Jr. Additional Voices (voice) Bill Farmer Additional Voices (voice) Dave Fennoy Additional Voices (voice) Keith Ferguson Additional Voices (voice) Erin Fitzgerald Additional Voices (voice) Grant George Additional Voices (voice) David Kaye Additional Voices (voice) Danny Mann Additional Voices (voice) Zeno Robinson Additional Voices (voice) Tara Sands Additional Voices (voice) Veronica Taylor Additional Voices (voice) Matthew Wood Additional Voices (voice)