Sid James as Captain Wellington Crowther

Kenneth Williams as First Officer Leonard Marjoribanks

Kenneth Connor as Doctor Arthur Binn

Liz Fraser as Glad Trimble

Dilys Laye as Florence 'Flo' Castle

Esma Cannon as Bridget Madderley

Lance Percival as Wilfred Haines, Ship's Cook

Jimmy Thompson as Sam Turner, Barman

Ronnie Stevens as Drunk Passenger

Vincent Ball as Jenkins

Ed Devereaux as Young Officer

Brian Rawlinson as Nervous Steward

Anton Rodgers as Young Man

Cyril Chamberlain as Tom Tree

Willoughby Goddard as Large Man

Anthony Sagar as Cook

Terence Frisby as Passenger

Mario Fabrizi as Second Cook

Marian Collins as Bride

Jill Mai Meredith as Shapely Miss

Alan Casley as Sailor