Canal Zone

'Hardtack' Hamilton

Susan Merrill

Harley Ames

Recruit Kincaid

Recruit Madigan

Recruit Hughes

Recruit Baldwin - Insurance Man

'Mack' MacNamara

Cmdr. Merrill

'Red' Connors - Mechanic

Pilot Jones

Henshaw - Co-Pilot

The Radio Operator (uncredited)

Ralph Merrill (uncredited)

Man Delivering Monkey (uncredited)

New Recruit (uncredited)

Bailey - Pilot Leader (uncredited)

Pearl (uncredited)