Andy Samberg
Ham III (voice)
Acting
Cheryl Hines
Luna (voice)
Acting
Jeff Daniels
Zartog (voice)
Acting
Patrick Warburton
Titan (voice)
Acting
Kristin Chenoweth
Kilowatt (voice)
Acting
Kenan Thompson
Ringmaster (voice)
Acting
Zack Shada
Comet / Nava Boy (voice)
Acting
Carlos Alazraqui
Houston (voice)
Acting
Omid Abtahi
Dr. Jagu (voice)
Acting
Patrick Breen
Dr. Bob (voice)
Acting
Jane Lynch
Dr. Poole (voice)
Acting
Kath Soucie
Dr. Smothers (voice)
Acting
Stanley Tucci
Senator (voice)
Acting
Wally Wingert
Splork / Infinity Probe / Pappy Ham (voice)
Acting
Jessica Gee-George
Ship Voice / Infinity Probe / Additional Voices (voice)
Acting
Tom Kenny
Newsreel (voice)
Acting
Jason Harris
Guard (voice)
Acting
Jess Harnell
Additional Voices (voice)
Acting
Ellie Harvie
Additional Voices (voice)
Acting
Caitlin McKenna
Additional Voices (voice)
Production