Pernell Roberts Trapper John McIntyre Actor Gregory Harrison Dr. George Alonzo 'Gonzo' Gates Actor Charles Siebert Dr. Stanley Riverside II Actor Madge Sinclair Ernestine Shoop, R. N. Actor Christopher Norris Gloria 'Ripples' Brancusi, R.N. Actor Brian Stokes Mitchell Dr. Justin 'Jackpot' Jackson Actor Simon Scott Arnold Slocum Actor Chris Hutson Nurse Actor Bebe Kelly Nurse Clover Actor Theodore Bikel Guest Star Rosemary Murphy Guest Star Alex Henteloff Guest Star Hank Brandt Guest Star Paul Tuerpe Guest Star Peter Harrell Guest Star Stephen Coit Guest Star Mark Carlton Guest Star Tony Ballen Guest Star Gene Scherer Guest Star Stepfanie Kramer Guest Star Yung Sun Guest Star Gary Faga Guest Star Nancy Wheeler Guest Star Michael Masters Guest Star R.W. Wheeler Guest Star Frank Glicksman Producer Don Brinkley Producer Michael Caffey Director