Don Terry

as Gris

as Comdr. Don Winslow

as Howe

as Eddie Daniels

as Buckskin Billy Burke

as Captain Kirk Armstrong

as Sgt. Dick 'Rusty' Manson

as Dr. David Lynd

as Rusty

as William Flynn Hitchcock / Bill Flinn

as Lieutenant (uncredited)

as Cmdr. Don Winslow

as Strangler (uncredited)

as Reef (uncredited)

as Cole

as Ping-Pong Player (uncredited)

as District Attorney Don Blane

as Larry Kent

as Frederick 'Fred' Garth

as Inspector Kellog

as William Dennis

as Tim Sawyer

as Duke Mallor

as Bob Reid

as Party Guest (Uncredited)

as Gregg

as Bob Hamlin

as Policeman (uncredited)

as Dick Starr

as Buddy Brower

as Jimmy Williams