Uzo Aduba-Narrator, Captain Novo
Christin Chenoweth-Skystar
Vincent Tong-Blueblood
Brian Dobson-Sky Beak, Verko
Ellen Ray-Hennessey-Mistmane
Peter New-Big Mac
Liev Shrieber-Storm King
Emily Blunt-Tempest Shadow
Maryke Hendrykkse-Sonata Dusk
Diana Kaarina-Aria Blaze
Kazumi Evans-Adagio Dazzle
Michael Pena-Grubber, garbage manager
Advah Soudack-Ocean Flow
Scott McNeil-Thunderhooves, Kainos, Flam
Lauren Jackson-Silverstream
Rebecca Shoichet-Sunset Shimmer, Sugar Belle
Gavin Langelo-Gallus
Chantal Strand-Diamond Tiara
Zoe Saldana-Celaeno
Mark Oliver-Mullet
Nicole Oliver-Lix Spittle
Max Martini-Boyle, shrimpers
Taye Diggs-Capper
Graham Verchere-Pipsqueak
Rhona Rees-Vapour Trail
Sylvia Zaradic-Cherry Jubilee
Shannon Chan-Kent-Silver Spoon
Christopher Gaze-'General' Seaspray
Kathleen Barr-Chrysalis
Kelly Metzger-Spitfire
Michael Daingerfield-Braeburn
Matt Cowlrick-Torch, Rockhoof
Kyle Rideout-Thorax
Bill Newton-Pharynx, Stygian
Rachel Bloom-Autumn Blaze
Emmet Hall-Sky Stinger
Tabitha St. Germain-Granny Smith
Madeleine Peters-Scootaloo
Cole Howard-Terramar
Sam Vincent-Flim
Richard Newman-Cranky Doodle
Chris Britton-Starswirl
Giles Panton-Flash Magnus
Murray Peters-Somnambula
Mariee Devereux-Meadowbrook

Dedicated in memory of Patrick Allen, 1927-2006.

Whistles and horns

The Seaquestria Tugboat Company
Skystar

Sky Beak

Big Mac

Mistmane

Blueblood

Ocean Flow

Silverstream

The Storm Fleet
Tempest Shadow

(03:00)

Grubber

Adagio Dazzle

(2:55)

Aria Blaze

(3:05)

Sonata Dusk

Thunderhooves

(0:16-0:19)

Sunset Shimmer

Celaeno

(0:43-0:48)

Seaspray

(2:48-2:52)

Spitfire (whistle)

(0:56-1:04)

Spitfire (siren)

Sugar Belle

(1:05-1:12)

Capper

(0:32-0:38)

Boyle

(3:27-3:32)

Flim and Flam

(1:38-2:01)

The Pirates

Sky Stinger

(0:17-0:31)

Vapour Trail

(2:36-2:42)

The Ocean Liners

(3:33-3:53)

Verko

(0:21-0:35)

Cranky Doodle

(1:12-1:17)

Torch

(0:20-0:31)

Granny Smith

(0:00-0:11)

The dock cranes, as static objects, do not have horns or whistles.

Terramar

(0:00-0:32)

Apple Bloom

(0:18-0:22)

Scootaloo

(5:09-5:26)

Author's Note

Curiously, quite a few of the actors here also appeared in Salty's Lighthouse, an American series best known for redubbing large quantities of Tugs footage. In no particular order;

Kathleen Barr voiced Ocho and Aunt Chovie.
Scott McNeil voiced Zorran, Zak, Zug, Bluenose, Boomer, and The Fultan Ferry.
Although Brian Dobson was not a member of the Salty's Lighthouse cast, his brother Paul was, who voiced Hercules.
Ian James Corlett voiced Ten Cents, Otis, Zeebee (no, that is not a typo on my part), Zip, Lord Stinker, Frank, Eddie, and Lighthouse Clock. In MLP circles, he is best known for being the father of Sweetie Belle VA Claire Corlett.
Andrea Libman voiced Claude.