Special Guest Stars Ben Schwartz voices Sonic the Hedgehog Tika Sumpter as Maddie Wachowski Colleen O'Shaughnessey voices Miles "Tails" Prower Guest Stars Ellie Taylor as Agent Willoughby Kid Cudi as Agent Mason Alice Tregonning as Susie Barnes Rory McCann as The Buyer Christopher Lloyd voices Pachacamac Julian Barratt as Jack Sinclair Co Starring Jaimi Barbakoff as Susie's Mom Fergus Craig as Susie's Dad Graeme Thomas King as Agent Fairley Brian Yansen as Mailperson Anaya Barnes as Susie's Bowling Partner Tony Coughlan as Welder Worker Robin March as Random Bowler