Dick Foran as Bill Martin

Leo Carrillo as Tobias Clump

Peggy Moran as Wendy Creighton

Fuzzy Knight as Stuff Oliver

John Eldredge as Cousin George

Lewis Howard as Thurman Coldwater

Hobart Cavanaugh as Professor Jasper Quinley

Walter Catlett as Sergeant McGoon

Ralf Harolde as Rod Grady

Iris Adrian as Arleen Grady

Foy Van Dolsen as Panama Pete

Emmett Vogan as The Stranger

Robert Barron as Wreck Spectator (uncredited)

Ted Billings as Wreck Spectator (uncredited)

Eddy Chandler as Police Officer (uncredited)

Don Dillaway as Sailor (uncredited)

Walter Tetley as Delivery Boy (uncredited)