Crabbe played Michael Gallant in the NBC adventure television series, "Captain Gallant of the Foreign Legion". The series was televised from 1955 to 1957. It is set in modern Morocco where Captain Gallant was in charge of an outpost in the desert. He fought thieves, desert tribes, and other villains. Crabbe's son Cullen played Cuffy Sanders in the series. Cuffy was an orphan boy whose father had died in action with the Legion.