Steve Oedekerk
— Jake / Designer / Stevine Odion / 'We've Been Hit' (voice)
Mary Jo Keenen
— Geranium / Old Geranium (voice)
Paul Greenberg
— The Captain / 'Lovely Ship' Steward / Lice Checker #1 (voice)
Rob Paulsen
— Mr. Prickle / Bartender / Lice Checker #2 (voice)
Mark DeCarlo
— The Interviewer / TV Anchor / Elvis / Lookout #2 / Rich Man at Dinner / 'Shuffle Board Finals?' (voice)
Tony Pyle
— Submarine Pilot / Excited One-Eyed Thumb / Lookout #3 (voice)
Eric Trueheart
— 'All Aboard' Steward / 'Good Gravy, What a Ship!' / 'Lovely Ship' Balloon Head (voice)
Jenny Rose
— What a Lovely Big Ship!' / 'We're Going Down! (voice)
Joe Liss
— It's a Big Ship!' / Bedwetter / 'I Wet Myself (voice)
Heidi Fugeman
— Ship Must go on for Miles (voice)
Tim Tarkinan
— It's a Big Ship (voice)
David Floyd
— Baldie the Thumb Wrestler / Lookout #1 / Boiler Room Guy #2 / 'Next' Steward / Boiler Room Guy #2 / Lookout #1 / Sex Change Buyer / 'It's a Gigantic Spider!' / Budget Saving Man (voice)
Megan Cavanagh
— Geranium's Servant / Rich Woman at Dinner / Budget Saving Man's Wife (voice)
Jim Jackman
— Dentist / Boiler Room Guy #1 / Baby and Sex Change Barker / 'I Can't Swim!' (voice)
Jim Hope
— I'm Really a Woman / Lookout #4 / Life Jacket Guy (voice)
Matthew Aufdenspring
— We're Sinking! (voice)
Mary Mares
— No We Can't Be Sinking (voice)
John Laus
— Baby Buyer / Piano Man (voice)