Dennis O'Keefe

as Capt. Matt Riordan

as Barry Amsterdam

as Paul Mitchell

as Larry

as Dan Legget

as Mark Sitko

as Sam Donovan

as Jean Morhange

as Daniel F. O'Hara

as Joe Sullivan

as Dennis O'Brien / Vannie Harrigan

as Dr. David Cousins

as Michael Francis 'Mike' Hannegan

as Bill Anthony

as Montague L. 'Monty' Brewster

as Benjamin 'Hoppy' Hopkins

as Lt. Cmdr. Robert Yarrow

as Sonny Phyffe

as Jerry Manning

as Jan Horak

as Lieutenant Bill Mason

as Bob

as Chuck Deems

as Shep

as Party guest

as Purser (uncredited)

as Restaurant Patron (uncredited)

as Elevator Passenger / Hotel Guest / Dancer (uncredited)

as Nightclub Patron (uncredited)

as Nightclub Patron (uncredited)

as Cabaret Patron (uncredited)

as Party Guest

as (uncredited)

as One of Carol's Friends at Party (uncredited)

as Ship's Party Guest (uncredited)