Horror Island

Dick Foran

Bill Martin

Leo Carrillo

Tobias Clump

Peggy Moran

Wendy Creighton

Fuzzy Knight

Stuff Oliver

John Eldredge

Cousin George

Lewis Howard

Thurman Coldwater

Hobart Cavanaugh

Professor Jasper Quinley

Walter Catlett

Sergeant McGoon

Ralf Harolde

Rod Grady

Iris Adrian

Arleen Grady

Foy Van Dolsen

Panama Pete

Emmett Vogan

The Stranger

Robert Barron

Wreck Spectator (uncredited)

Ted Billings

Wreck Spectator (uncredited)

Eddy Chandler

Police Officer (uncredited)

Don Dillaway

Sailor (uncredited)