Tillie and Augustus Winterbottom are thought to be missionaries when they arrive to find Phineas Pratt trying cheat the Sheridans out of her father's inheritance, including a ferry franchise and a boat. The only way to keep the franchise is to win a race against Pratt's boat.
Phillip Trent
Tom Sheridan (as Clifford Jones)

Clarence Wilson
Phineas Pratt

George Barbier
Captain Fogg

Barton MacLane
Commissioner McLennan