Special Guest Stars Scatman Crothers as Jip Baker Vic Morrow as Mark Haines Dick Sargent as Marty Cole Guest Stars Michael Conrad as Ed Slocum Dean Martin as Frank Howell Herb Edelman as Joey January Lee Travis as Joan Wells Co Starring James Hong as Prof. Perkins Patti Pivaar as Daphne Gary Brockette as Dean Williams Sid Conrad as Dr. Hinton Ronnie Rondell Jr. as Case Eddie Lo Russo as Gus Lionel Decker as Jarvis Rita Alexander as Mary Phillips Credit Only Robert Urich as Dan Tanna